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Date: Tue, 19 May 2009 11:27:59 +0800
From: Wu Fengguang <fengguang.wu@...el.com>
To: Christoph Lameter <cl@...ux-foundation.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>,
LKML <linux-kernel@...r.kernel.org>,
Elladan <elladan@...imo.com>, Nick Piggin <npiggin@...e.de>,
Johannes Weiner <hannes@...xchg.org>,
KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
Peter Zijlstra <peterz@...radead.org>,
Rik van Riel <riel@...hat.com>,
"tytso@....edu" <tytso@....edu>,
"linux-mm@...ck.org" <linux-mm@...ck.org>,
"minchan.kim@...il.com" <minchan.kim@...il.com>
Subject: Re: [PATCH 2/3] vmscan: make mapped executable pages the first
class citizen
On Mon, May 18, 2009 at 10:46:15PM +0800, Christoph Lameter wrote:
> On Sat, 16 May 2009, Wu Fengguang wrote:
>
> > vmscan: make mapped executable pages the first class citizen
>
> Nice description!
Thank you!
> Can you also add the results of a test that shows the benefit of
> this patch?
OK. Here it is
SUMMARY
=======
The patch decreases the number of major faults from 50 to 3 during 10% cache hot reads.
SCENARIO
========
The test scenario is to do 100000 pread(size=110 pages, offset=(i*100) pages),
where 10% of the pages will be activated:
for i in `seq 0 100 10000000`; do echo $i 110; done > pattern-hot-10
iotrace.rb --load pattern-hot-10 --play /b/sparse
and monitor /proc/vmstat during the time. The test box has 2G memory.
ANALYZES
========
I carried out two runs on fresh booted console mode 2.6.29 with the VM_EXEC
patch, and fetched the vmstat numbers on
(1) begin: shortly after the big read IO starts;
(2) end: just before the big read IO stops;
(3) restore: the big read IO stops and the zsh working set restored
nr_mapped nr_active_file nr_inactive_file pgmajfault pgdeactivate pgfree
begin: 2481 2237 8694 630 0 574299
end: 275 231976 233914 633 776271 20933042
restore: 370 232154 234524 691 777183 20958453
begin: 2434 2237 8493 629 0 574195
end: 284 231970 233536 632 771918 20896129
restore: 399 232218 234789 690 774526 20957909
and another run on 2.6.30-rc4-mm with the VM_EXEC logic disabled:
begin: 2479 2344 9659 210 0 579643
end: 284 232010 234142 260 772776 20917184
restore: 379 232159 234371 301 774888 20967849
The numbers show that
- The startup pgmajfault of 2.6.30-rc4-mm is merely 1/3 that of 2.6.29.
I'd attribute that improvement to the mmap readahead improvements :-)
- The pgmajfault increment during the file copy is 633-630=3 vs 260-210=50.
That's a huge improvement - which means with the VM_EXEC protection logic,
active mmap pages is pretty safe even under partially cache hot streaming IO.
- when active:inactive file lru size reaches 1:1, their scan rates is 1:20.8
under 10% cache hot IO. (computed with formula Dpgdeactivate:Dpgfree)
That roughly means the active mmap pages get 20.8 more chances to get
re-referenced to stay in memory.
- The absolute nr_mapped drops considerably to 1/9 during the big IO, and the
dropped pages are mostly inactive ones. The patch has almost no impact in
this aspect, that means it won't unnecessarily increase memory pressure.
(In contrast, your 20% mmap protection ratio will keep them all, and
therefore eliminate the extra 41 major faults to restore working set
of zsh etc.)
RAW NUMBERS
===========
2.6.29 with VM_EXEC protection:
% vmmon nr_mapped nr_active_file nr_inactive_file pgmajfault pgdeactivate pgfree
nr_mapped nr_active_file nr_inactive_file pgmajfault pgdeactivate pgfree
2291 2236 8256 618 0 573817
2415 2236 8473 629 0 574288
2481 2237 8694 630 0 574299
2481 2237 8784 630 0 574302
2484 5054 35432 630 0 603215
2484 8453 66861 630 0 640884
2484 12017 98113 630 0 678696
2484 15434 129512 630 0 715516
2484 18885 160628 630 0 754177
2484 22407 192170 630 0 790997
2484 25845 222804 630 0 829658
2484 29379 254830 630 0 866478
2484 32918 286107 630 0 905139
2484 36359 317482 630 0 943800
2484 39919 349761 630 0 980620
2484 43379 381024 630 0 1019281
2484 46889 412424 630 0 1056101
2484 51576 417827 630 4288 1112642
2484 54865 414277 630 5149 1179934
2484 58052 411414 630 5305 1247292
2484 61284 408370 630 5305 1314219
2484 64495 405096 630 5305 1381700
2484 67765 401637 630 5305 1449106
2484 70955 398920 630 5305 1516587
nr_mapped nr_active_file nr_inactive_file pgmajfault pgdeactivate pgfree
2484 74225 395122 630 5305 1584926
2484 77495 391490 630 5305 1653110
2484 80744 388008 630 5305 1720128
2484 83983 385136 630 5305 1787562
2484 87244 382519 630 5305 1856522
2484 90505 379368 630 5305 1923957
2484 93797 375211 630 5305 1991843
2484 96965 372127 630 5305 2059025
2484 100154 369459 630 5305 2125794
2484 103405 365181 630 5305 2193589
2484 106575 361994 630 5305 2259542
2484 109806 358666 630 5305 2326361
2484 113034 355544 630 5305 2394012
2484 116318 352062 630 5305 2462832
2484 119516 349061 630 5305 2530325
2484 122755 346227 630 5305 2597400
2484 126028 342549 630 5305 2664795
2484 129247 339834 630 5305 2732030
2484 132416 336033 630 5305 2797594
2484 135648 332295 630 5305 2864787
2484 138878 329519 630 5305 2932054
2484 142098 326411 630 5305 2998663
2484 145289 323443 630 5305 3065131
2484 148460 319319 630 5305 3132863
nr_mapped nr_active_file nr_inactive_file pgmajfault pgdeactivate pgfree
2484 151659 315919 630 5305 3200802
2484 154920 313764 630 5305 3267461
2484 158181 309460 630 5305 3335252
2484 161411 307124 630 5305 3402071
2484 164641 303445 630 5305 3469690
2484 167809 300304 630 5305 3536669
2484 171009 296526 630 5305 3602447
2484 174251 293013 630 5305 3669426
2484 177483 290077 630 5305 3736885
2484 180714 286435 630 5305 3804024
2484 183944 283499 630 5305 3871484
2484 187174 279857 630 5305 3938623
2484 190373 277112 630 5305 4005922
2484 193634 272672 630 5305 4074053
2484 196802 270632 630 5305 4140360
2484 199982 267629 630 5305 4206891
2484 203154 263384 630 5305 4272925
2484 206312 260751 630 5305 4339008
2484 209484 258033 630 5305 4405347
2484 212705 253705 630 5305 4473222
2484 215935 250463 630 5305 4539945
2484 219134 247148 630 5305 4605979
2484 222364 243916 630 5305 4672702
2484 225588 240250 630 5305 4739873
nr_mapped nr_active_file nr_inactive_file pgmajfault pgdeactivate pgfree
2484 228685 237341 630 5305 4806404
2484 231886 234140 630 5305 4871543
2484 231986 234163 630 8418 4938905
2484 231957 234804 630 11610 5004860
2484 232177 234675 630 14570 5071647
2484 231905 234020 630 18050 5139298
2484 232092 233641 630 21074 5205498
2484 231868 234025 630 24506 5271959
2484 231873 233860 630 27674 5337830
2484 232004 233601 630 30682 5404659
2466 231782 233983 630 34122 5470432
2466 231815 233725 630 37314 5537383
2466 231832 233997 630 40522 5604845
2466 231904 233604 630 43706 5671893
2466 231882 233459 630 46922 5739066
2466 231909 234634 630 50058 5804997
2466 231988 234018 630 53173 5872013
2466 231834 234006 630 56500 5938229
2466 231986 233711 630 59604 6006458
2466 231905 234020 630 62900 6072048
2466 232012 233560 630 66028 6139127
2466 231926 233570 630 69308 6206367
2466 231961 234398 630 72436 6272228
2453 231964 233793 630 75596 6339340
nr_mapped nr_active_file nr_inactive_file pgmajfault pgdeactivate pgfree
1098 231930 234024 630 78884 6404853
1105 231977 233574 630 82044 6471963
1105 231986 233566 630 85260 6539713
1105 231699 233234 630 88796 6607400
1105 232045 234211 630 91620 6673487
1105 232017 234473 630 94852 6739957
1105 231730 233854 630 98316 6807612
1105 232036 233649 630 101252 6874404
1105 231725 233955 630 104740 6940155
1105 231854 233665 630 107836 7007042
1105 231807 233969 630 111108 7074537
1105 231887 233600 630 114284 7141552
1105 231857 234015 630 117508 7208918
1105 231894 234285 630 120644 7274729
1105 231913 233606 630 123788 7341710
1105 231859 233981 630 127036 7407302
1105 231971 233580 630 130180 7474317
1105 231917 233470 630 133428 7541363
1105 231896 234036 630 136612 7607516
1105 231947 233604 630 139724 7672915
1105 231813 233779 630 143052 7740120
1105 231856 233980 630 146172 7805952
1105 231910 233641 630 149260 7872015
1105 231869 233756 630 152516 7938400
nr_mapped nr_active_file nr_inactive_file pgmajfault pgdeactivate pgfree
1105 231834 234001 630 155724 8004328
1105 231854 233601 630 158836 8070234
1105 231823 233365 630 162092 8136804
1105 231748 233868 630 165268 8202733
1105 231854 233729 630 168356 8267651
1105 232129 233922 630 171292 8333847
1105 231811 233869 630 174756 8401010
1105 231885 233698 630 177876 8467832
1105 231799 233977 630 181156 8533550
1105 231866 234005 630 184324 8600150
1105 232071 234515 630 187268 8666173
1105 231793 233951 630 190692 8732773
1105 231810 233677 630 193900 8798908
1105 231875 233412 630 197060 8866115
1105 231862 234005 630 200236 8932138
1105 231850 233637 630 203380 8997961
1105 231811 233470 630 206644 9064677
1105 231791 233761 630 209796 9130637
1105 232011 233573 630 212756 9195680
1105 231779 233501 630 216196 9263060
1105 231760 234380 630 219388 9329018
1105 232026 233960 630 222292 9395714
1105 231781 233995 630 225724 9461401
1105 231862 234169 630 228868 9527840
nr_mapped nr_active_file nr_inactive_file pgmajfault pgdeactivate pgfree
1105 232067 234518 630 231812 9594053
1105 231757 233955 630 235268 9659804
1105 231847 233704 630 238403 9726690
1105 231904 233457 630 241571 9793593
1105 231757 233827 630 244819 9860115
1105 232000 233552 630 247787 9926683
1105 231810 233966 630 251195 9992560
1105 231891 234140 630 254339 10059027
1105 232062 234513 630 257307 10125213
668 231778 233966 630 260747 10190928
275 231819 234404 630 263931 10257141
275 232088 234487 630 266811 10323547
275 231746 233902 630 270299 10389361
275 231851 233636 630 273419 10456248
275 231740 233661 630 276755 10523806
275 231817 233735 630 279851 10589636
275 231988 233596 630 282819 10655304
275 231788 233373 630 286237 10721856
275 231784 233864 630 289373 10787879
275 232020 233511 630 292317 10854701
275 231748 233996 630 295797 10920417
275 231853 233954 630 298917 10987061
275 232112 234175 630 301869 11053294
275 231748 233932 630 305317 11120629
nr_mapped nr_active_file nr_inactive_file pgmajfault pgdeactivate pgfree
275 231853 233698 630 308437 11185673
275 231790 233583 630 311725 11253211
275 231811 234582 630 314877 11319007
275 232012 234499 630 317877 11385924
275 231768 234008 630 321277 11453178
275 231841 233646 630 324429 11518558
275 231810 233442 630 327685 11585924
275 231856 234331 630 330813 11651807
275 231858 233829 630 334005 11718629
275 231789 233966 630 337237 11784378
275 231869 233693 630 340413 11851297
275 231862 233989 630 343645 11918760
275 231943 234067 630 346789 11985307
275 231863 234566 630 349949 12051506
275 231857 233962 630 353149 12117126
275 231921 233929 630 356341 12183815
275 231862 234755 630 359501 12249776
275 231777 233978 630 362749 12315523
275 231905 233561 630 365877 12382537
275 231795 233776 630 369181 12449934
275 231894 234325 630 372245 12515731
275 231873 233593 630 375429 12582712
275 231866 234049 630 378661 12648171
275 231965 233949 630 381797 12714879
nr_mapped nr_active_file nr_inactive_file pgmajfault pgdeactivate pgfree
275 231999 234457 630 384957 12781077
275 231828 233959 630 388229 12848475
275 231933 233629 630 391349 12914212
275 231799 233834 630 394677 12981076
275 231898 233920 630 397741 13046811
275 231856 233693 630 400933 13111921
275 231831 233679 630 404165 13179383
275 231898 234644 633 407261 13245225
284 231911 234497 633 410421 13312238
284 231854 233944 633 413693 13377856
284 231953 233556 633 416829 13444869
284 231835 233655 633 420141 13512266
284 231926 234710 633 423213 13577998
284 231937 234377 633 426365 13645076
284 231850 233988 633 429685 13710623
284 231988 233594 633 432773 13777603
284 231974 233546 633 435981 13844360
284 231611 234132 633 439445 13909053
284 231893 234329 633 442357 13975267
284 231899 234674 633 445493 14041674
284 231806 233937 633 448749 14107390
284 231974 233576 633 451837 14174306
284 231994 233984 633 455021 14240572
284 231822 233921 633 458253 14306495
nr_mapped nr_active_file nr_inactive_file pgmajfault pgdeactivate pgfree
284 231918 233632 633 461413 14372641
284 231993 234580 633 464501 14438342
284 231790 233953 633 467805 14504906
284 231879 233703 633 470972 14570942
284 232025 233623 633 474020 14637540
284 231868 233779 633 477340 14704331
284 231857 233661 633 480524 14771185
284 231843 233996 633 483732 14836777
284 231886 234725 633 486852 14902574
284 231897 233682 633 490004 14969555
284 231827 233980 633 493268 15035147
284 231806 234337 633 496452 15101008
284 231888 233818 633 499564 15167796
284 231779 233964 633 502836 15233555
284 231931 233587 633 505940 15300503
284 231805 233418 633 509260 15367801
284 231834 233813 633 512404 15433825
284 231864 233718 633 515506 15498907
284 231821 233832 633 518774 15566267
284 231840 234645 633 521918 15632127
284 231922 234156 633 525030 15698946
284 231829 233946 633 528286 15764663
284 231901 233585 633 531470 15831676
284 231895 233464 633 534670 15898530
nr_mapped nr_active_file nr_inactive_file pgmajfault pgdeactivate pgfree
284 231914 233893 633 537814 15964807
284 231896 233622 633 540974 16031418
284 231902 233969 633 544214 16097373
284 231977 233573 633 547374 16164418
284 231955 233530 633 550590 16231285
284 231854 234478 633 553854 16297675
284 231929 233960 633 556942 16364657
284 231866 234005 633 560230 16430181
284 231917 234561 633 563342 16496266
284 231968 234264 633 566454 16562926
284 231890 234013 633 569726 16628483
284 231971 233579 633 572870 16695561
284 231855 233781 633 576190 16762892
284 231930 234530 633 579278 16828690
284 231933 234268 633 582438 16895736
284 231881 233553 633 585726 16961760
284 231978 233551 633 588854 17028389
284 232092 234143 633 591934 17094373
284 231865 234017 633 595262 17159833
284 231970 233527 633 598382 17226765
284 231868 233458 633 601678 17294047
284 231880 233970 633 604798 17359860
284 231914 233615 633 607958 17425267
284 231886 233947 633 611190 17492365
nr_mapped nr_active_file nr_inactive_file pgmajfault pgdeactivate pgfree
284 231953 234546 633 614286 17558257
284 231916 233861 633 617486 17625238
284 231877 234005 633 620750 17690792
284 231943 234386 633 623878 17757053
284 231899 234125 633 627054 17823605
284 231830 233678 633 630286 17889193
284 231850 233904 633 633398 17954958
284 231940 233621 633 636502 18020034
284 231846 233693 633 639790 18087528
284 231843 234189 633 642966 18153324
284 231902 233563 633 646070 18220307
284 231784 234034 633 649382 18285863
284 231835 234782 633 652494 18351788
284 231934 233789 633 655582 18418610
284 231800 233922 633 658886 18484293
284 231866 234265 633 661990 18550092
284 231862 233701 633 665134 18615041
284 231952 233547 633 668254 18681807
284 231712 233947 633 671574 18746554
284 232104 233907 633 674414 18812895
284 232009 234173 633 677598 18879108
284 231696 233802 633 681110 18945047
284 232094 233746 633 683934 19011389
275 232063 234491 633 687126 19077443
nr_mapped nr_active_file nr_inactive_file pgmajfault pgdeactivate pgfree
275 231632 233810 633 690694 19143446
275 231971 233527 633 693566 19210118
275 231746 233478 633 697030 19277707
275 231777 233972 633 700178 19343505
275 231980 233550 633 703077 19410105
275 231733 233398 633 706573 19476043
275 232054 233743 633 709405 19541713
275 232003 233544 633 712621 19608567
275 231717 233879 633 716109 19674380
275 232039 233581 633 718957 19740306
275 231917 233556 633 722197 19805161
275 232015 233598 633 725317 19871706
275 232033 234459 633 728389 19937490
275 231920 233668 633 731701 20003365
275 232015 233610 633 734837 20070039
275 232017 233571 633 738029 20137007
275 231951 233502 633 741245 20203667
275 231975 233558 633 744397 20268952
275 231936 234053 633 747640 20335755
275 231941 234723 633 750807 20401648
275 232003 234363 633 753919 20468693
275 231936 233562 633 757191 20534601
275 231703 233244 633 760663 20602093
275 231904 233507 633 763631 20668531
nr_mapped nr_active_file nr_inactive_file pgmajfault pgdeactivate pgfree
275 231952 233924 633 766751 20734392
275 232002 233576 633 769887 20799595
275 231960 234066 633 773119 20866798
275 231976 233914 633 776271 20933042
380 232138 234504 691 777183 20958440
370 232154 234513 691 777183 20958440
370 232154 234513 691 777183 20958440
370 232154 234513 691 777183 20958452
370 232154 234524 691 777183 20958452
370 232154 234524 691 777183 20958452
370 232154 234524 691 777183 20958452
370 232154 234524 691 777183 20958452
370 232154 234524 691 777183 20958452
370 232154 234524 691 777183 20958452
370 232154 234524 691 777183 20958452
370 232154 234524 691 777183 20958452
370 232154 234524 691 777183 20958452
370 232154 234524 691 777183 20958452
370 232154 234524 691 777183 20958452
370 232154 234524 691 777183 20958452
370 232154 234524 691 777183 20958452
370 232154 234524 691 777183 20958452
370 232154 234524 691 777183 20958453
370 232154 234524 691 777183 20958453
% vmmon nr_mapped nr_active_file nr_inactive_file pgmajfault pgdeactivate pgfree
nr_mapped nr_active_file nr_inactive_file pgmajfault pgdeactivate pgfree
2434 2237 8493 629 0 574195
2438 2238 8683 629 0 574215
2438 2331 11501 629 0 574303
2441 5675 41599 629 0 610507
2441 9137 72271 629 0 647327
2441 12638 103601 629 0 686002
2442 16118 134919 629 0 722822
2442 19507 166348 629 0 760491
2442 23040 197624 629 0 798303
2442 26489 229010 629 0 835123
2442 30063 260270 629 0 873784
2442 33511 291592 629 0 912445
2442 37033 323924 629 0 949265
2442 40512 355053 629 0 987926
2442 44003 386586 629 0 1024746
2442 47544 417862 629 0 1063407
2442 52116 416531 629 2752 1124077
2442 55340 413069 629 2752 1191875
2442 58611 410119 629 2752 1258804
2442 61800 406875 629 2752 1326345
2442 65030 404213 629 2752 1392938
2442 68229 400524 629 2752 1460840
2442 71521 397357 629 2752 1528052
2442 74751 394412 629 2752 1595612
nr_mapped nr_active_file nr_inactive_file pgmajfault pgdeactivate pgfree
2442 77981 391130 629 2752 1663527
2442 81211 387648 629 2752 1730514
2442 84441 384680 629 2752 1798045
2442 87711 381843 629 2752 1867078
2442 90963 378694 629 2752 1934451
2442 94253 375455 629 2752 2001637
2442 97422 371732 629 2752 2069433
2442 100652 369063 629 2752 2136205
2442 103883 364909 629 2752 2203998
2442 107061 361629 629 2752 2269904
2442 110281 358301 629 2752 2336891
2442 113511 354923 629 2752 2404642
2442 116793 351821 629 2752 2473206
2442 120002 348602 629 2752 2540793
2442 123232 346050 629 2752 2607772
2442 126524 341930 629 2752 2675423
2442 129723 339492 629 2752 2742402
2442 132881 335542 629 2752 2808052
2442 136113 331954 629 2752 2875127
2442 139355 329146 629 2752 2942454
2442 142535 326367 629 2752 3008747
2442 145703 323107 629 2752 3075584
2442 148944 318828 629 2752 3143363
2442 152124 316560 629 2752 3210182
nr_mapped nr_active_file nr_inactive_file pgmajfault pgdeactivate pgfree
2442 155375 312250 629 2752 3277961
2442 158574 309031 629 2752 3343899
2442 161837 305734 629 2752 3412559
2442 165024 302613 629 2752 3478337
2442 168256 299131 629 2752 3545316
2442 171466 295570 629 2752 3612935
2442 174645 293642 629 2752 3678794
2442 177805 289974 629 2752 3745774
2442 181017 286387 629 2752 3813090
2442 184257 282869 629 2752 3880372
2442 187477 279778 629 2752 3945990
2442 190707 276126 629 2752 4014540
2442 193938 273350 629 2752 4080428
2442 197167 269547 629 2752 4147728
2442 200337 266386 629 2752 4214419
2442 203457 263605 629 2752 4278981
2442 206687 259867 629 2752 4346216
2442 209860 257663 629 2752 4411973
2442 213039 253767 629 2752 4479418
2442 216207 250219 629 2752 4546525
2442 219418 246867 629 2752 4612559
2442 222650 243897 629 2752 4679008
2442 225727 241363 629 2752 4745109
2442 228938 237593 629 2752 4810631
nr_mapped nr_active_file nr_inactive_file pgmajfault pgdeactivate pgfree
2442 232182 233855 629 2752 4877866
2442 232295 234248 629 5825 4944027
2442 232130 234310 629 9153 5011088
2442 232124 234428 629 12353 5078163
2442 232070 234152 629 15601 5143749
2442 232117 233658 629 18793 5210920
2442 231993 233951 629 22097 5278283
2442 231989 234468 629 25281 5344174
2424 232031 234614 629 28409 5411249
2424 232010 233541 629 31681 5479064
2424 231713 233902 629 35177 5544910
2424 232046 233537 629 38105 5613511
2424 231779 233965 629 41561 5679262
2424 231909 233740 629 44673 5746085
2424 231781 233681 629 48009 5813772
2424 231827 234807 629 51132 5879571
2424 231903 233480 629 54347 5947799
2424 231922 234300 629 57563 6014448
2424 231912 233475 629 60795 6082347
2424 232022 233912 629 63923 6149216
2424 232045 234012 629 67099 6215770
2424 231984 234417 629 70339 6282656
2246 231994 234343 629 73499 6349801
1105 231933 234044 629 76779 6416563
nr_mapped nr_active_file nr_inactive_file pgmajfault pgdeactivate pgfree
1105 231991 234377 629 79963 6484276
1105 231979 233554 629 83187 6551674
1105 231736 233889 629 86675 6617873
1105 232001 233617 629 89635 6684600
1105 231770 233735 629 93091 6752224
1105 231828 234766 629 96227 6818101
1105 231924 233443 629 99387 6886127
1105 231846 234802 629 102659 6952516
1105 231966 233560 629 105795 7020489
1105 231991 234433 629 108995 7087217
1105 231954 234566 629 112203 7153863
1105 231848 234033 629 115443 7219389
1105 231960 233576 629 118587 7286470
1105 231850 233475 629 121891 7353774
1105 231932 234812 629 125003 7419731
1105 232071 234512 629 128099 7486655
1105 231880 233696 629 131427 7554373
1105 232025 233635 629 134523 7621100
1105 231917 234006 629 137835 7686657
1105 232037 234547 629 140899 7752709
1105 232012 234604 629 144107 7819409
1105 231972 233992 629 147339 7886775
1105 231990 234136 629 150507 7953885
1105 231966 233602 629 153763 8019826
nr_mapped nr_active_file nr_inactive_file pgmajfault pgdeactivate pgfree
1105 231726 233775 629 157235 8087512
1105 231994 233711 629 160147 8153664
1105 231997 233719 629 163307 8220007
1105 231998 233569 629 166475 8286702
1105 231998 233576 629 169707 8352656
1105 232092 233848 629 172843 8418963
1105 232140 233803 629 175971 8485804
1105 232049 233988 629 179235 8552806
1105 231738 233919 629 182723 8618652
1105 231936 233562 629 185755 8685539
1105 231947 234030 629 188795 8748923
1105 231762 233314 629 192219 8816704
1105 231966 233985 629 195195 8883240
1105 231993 234759 629 198331 8949103
1105 232035 234145 629 201483 9016247
1105 231997 233628 629 204715 9082092
1105 231726 233344 629 208235 9149743
1105 232056 233963 629 211075 9215866
1105 232043 234138 629 214251 9282339
1105 231726 233899 629 217755 9348186
1105 231993 233632 629 220699 9414913
1105 231736 233302 629 224195 9482582
1105 231755 234394 629 227339 9548461
1105 232055 234033 629 230219 9615155
nr_mapped nr_active_file nr_inactive_file pgmajfault pgdeactivate pgfree
1105 231754 233999 629 233707 9680872
1105 232027 233598 629 236666 9747726
1105 232101 234131 629 239786 9813826
1105 231739 233918 629 243242 9881148
1105 231987 233606 629 246226 9946097
1105 231773 233948 629 249658 10013720
1105 231816 234461 629 252778 10079485
1105 232076 234014 629 255698 10146245
286 231717 233844 629 259234 10212217
275 231846 234066 629 262330 10278591
275 232138 234510 629 265218 10344593
275 231710 233851 629 268802 10412407
275 232038 233586 629 271706 10479100
275 231801 233984 629 275130 10544817
275 231874 234006 629 278282 10611414
275 232045 233581 629 281336 10678372
275 231884 234117 629 284660 10745028
275 231918 234697 629 287820 10811915
275 231769 233984 629 291132 10878734
275 231937 233655 629 294220 10945400
275 231890 234023 629 297492 11011980
275 231924 234244 629 300652 11078430
275 231999 234423 629 303812 11144947
275 231938 234191 629 307036 11212188
nr_mapped nr_active_file nr_inactive_file pgmajfault pgdeactivate pgfree
275 231893 234440 629 310244 11279298
275 231902 234043 629 313460 11345607
275 231991 233662 629 316596 11413708
275 231912 234065 629 319900 11479201
275 232001 233623 629 323036 11546279
275 231931 234081 629 326300 11613550
275 232032 234531 629 329404 11679815
275 232128 234149 629 332564 11746811
275 232027 233977 629 335828 11814323
275 231662 233782 629 339380 11880296
275 232001 233582 629 342252 11946861
275 231776 233369 629 345716 12014400
275 231741 233927 629 348852 12080247
275 232001 233603 629 351772 12145196
275 231896 233493 629 355092 12212095
275 232101 234493 629 358060 12277655
275 231937 233603 629 361356 12343609
275 231786 233363 629 364756 12410972
275 232100 234398 629 367612 12476066
275 231955 233563 629 370868 12541974
275 231802 233379 629 374260 12609257
275 232094 233969 629 377148 12674830
275 231955 233617 629 380388 12740432
275 231690 233541 629 383892 12807993
nr_mapped nr_active_file nr_inactive_file pgmajfault pgdeactivate pgfree
275 231966 233777 629 386796 12874208
275 231993 234139 629 389932 12940356
275 232019 233584 629 393100 13007113
275 231981 234039 629 396332 13072574
275 231977 234619 629 399468 13138724
275 232006 234371 629 402612 13205483
275 231965 233543 629 405868 13271456
275 231870 233415 629 409212 13338340
275 232042 233621 629 412220 13404934
275 231968 233559 629 415444 13471601
275 231662 233782 629 418940 13537606
275 232017 233587 629 421796 13604172
275 232035 234592 629 424972 13669873
275 232031 234563 629 428108 13736630
275 231977 233563 629 431356 13802572
275 232043 234424 629 434484 13868351
275 231978 234368 629 437660 13934966
275 231939 234081 629 440924 14000427
275 231943 233784 629 444052 14066575
275 231954 233585 629 447204 14131492
275 231892 233757 629 450460 14198730
275 231951 234345 629 453564 14264559
275 232017 234174 629 456692 14331647
275 231923 233617 629 459980 14397586
nr_mapped nr_active_file nr_inactive_file pgmajfault pgdeactivate pgfree
275 232015 234151 629 463100 14463665
275 231998 234627 629 466272 14529979
275 231902 233744 629 469531 14595825
275 231991 233612 629 472667 14662582
275 232057 234284 629 475795 14728508
275 231862 234030 629 479091 14793906
275 231967 233636 629 482211 14860920
275 232073 234076 629 485299 14927070
275 231869 234023 629 488635 14994082
275 231954 233636 629 491731 15061098
275 231867 234131 629 495035 15126622
275 231995 234664 629 498091 15192642
275 232039 234522 629 501251 15259527
275 231882 234042 629 504571 15325020
275 232019 233584 629 507659 15392064
275 231909 233863 629 510963 15459397
275 231973 234418 629 514062 15525131
275 232048 233928 629 517181 15592209
275 231898 234090 629 520525 15657766
275 231980 234487 629 523637 15723978
275 232039 234523 629 526741 15790640
275 231906 234018 629 530037 15856163
275 231997 233574 629 533181 15923239
275 232040 234554 629 536301 15988940
nr_mapped nr_active_file nr_inactive_file pgmajfault pgdeactivate pgfree
275 231932 234024 629 539541 16055975
275 231989 233614 629 542709 16123384
275 231902 234054 629 546021 16188941
275 231861 233424 629 549301 16256287
275 231969 233714 629 552373 16323236
275 231956 234714 629 555549 16389096
275 232046 234580 629 558653 16456206
275 231984 233556 629 561909 16523690
275 231713 233859 629 565429 16589897
275 231980 233603 629 568373 16656593
275 231731 233905 629 571861 16724310
275 231804 234151 629 575013 16790703
275 232159 234244 629 577869 16856974
275 231747 233921 629 581365 16922612
275 232008 233575 629 584357 16989421
275 231936 233488 629 587637 17056270
275 231736 233879 629 590917 17122840
275 232032 233583 629 593853 17187724
275 231754 233343 629 597349 17255155
275 231688 233863 629 600485 17319397
275 231987 233607 629 603397 17386058
275 232038 234536 629 606509 17451824
275 231720 233895 629 609973 17517668
275 231987 233628 629 612917 17584392
nr_mapped nr_active_file nr_inactive_file pgmajfault pgdeactivate pgfree
275 232084 234298 629 616045 17650348
275 232056 234548 629 619205 17716880
275 231939 233644 629 622485 17782755
275 231993 234593 629 625573 17848423
275 232033 234015 629 628717 17915148
275 231955 233660 629 631989 17981056
275 231945 234859 629 635141 18046406
275 231976 233544 629 638277 18113579
275 231941 234049 629 641533 18179009
275 231956 235004 629 644637 18244741
275 231976 234148 632 647797 18311864
284 231902 234076 632 651061 18377453
284 231944 233939 632 654181 18443251
284 231974 233581 632 657301 18508455
284 232048 233957 632 660429 18574682
284 231838 234012 632 663725 18639776
284 231905 234361 632 666893 18706067
284 231931 234327 632 669965 18772385
284 231807 234020 632 673285 18838133
284 231866 234331 632 676389 18903897
284 231924 233741 632 679525 18970781
284 231791 233940 632 682821 19036562
284 231865 234537 632 685941 19102584
284 232030 234588 632 688949 19169148
+72904 +1518800
nr_mapped nr_active_file nr_inactive_file pgmajfault pgdeactivate pgfree
284 231807 233988 632 692325 19235242
284 231898 233736 632 695469 19301718
284 231948 233554 632 698644 19368757
284 231832 233931 632 701892 19435041
284 231883 233751 632 705004 19500240
284 231812 233922 632 708300 19567609
284 231871 234201 632 711404 19633405
284 231929 233704 632 714540 19700258
284 231780 233983 632 717852 19766007
284 231871 234852 632 720924 19831742
284 232042 234057 632 723932 19898564
284 231798 233997 632 727364 19964311
284 231871 233635 632 730516 20031323
284 231896 233509 632 733716 20098334
284 231835 233895 632 736940 20164578
284 231933 233886 632 740036 20231399
284 231792 233971 632 743340 20297158
284 231934 233604 632 746454 20364106
284 231952 233524 632 749630 20430863
284 231899 233988 632 752846 20497333
284 231888 234055 632 756030 20564219
284 231863 233996 632 759270 20629871
284 231962 233608 632 762406 20696883
284 231956 233552 632 765606 20763640
nr_mapped nr_active_file nr_inactive_file pgmajfault pgdeactivate pgfree
284 231935 233924 632 768790 20830044
284 231970 233536 632 771918 20896129
346 232160 234770 686 774526 20957437
399 232218 234778 690 774526 20957892
399 232218 234778 690 774526 20957892
399 232218 234778 690 774526 20957892
399 232218 234778 690 774526 20957892
399 232218 234778 690 774526 20957892
399 232218 234778 690 774526 20957892
399 232218 234778 690 774526 20957892
399 232218 234778 690 774526 20957892
399 232218 234778 690 774526 20957892
399 232218 234778 690 774526 20957892
399 232218 234778 690 774526 20957892
399 232218 234778 690 774526 20957892
399 232218 234778 690 774526 20957892
399 232218 234778 690 774526 20957892
399 232218 234778 690 774526 20957892
399 232218 234778 690 774526 20957892
399 232218 234778 690 774526 20957893
399 232218 234778 690 774526 20957893
399 232218 234778 690 774526 20957893
399 232218 234789 690 774526 20957909
399 232218 234789 690 774526 20957909
2.6.30-rc4-mm1 without VM_EXEC protection:
% vmmon nr_mapped nr_active_file nr_inactive_file pgmajfault pgdeactivate pgfree
nr_mapped nr_active_file nr_inactive_file pgmajfault pgdeactivate pgfree
2289 2343 9104 203 0 579085
2289 2343 9104 203 0 579539
2471 2344 9572 210 0 579641
2479 2344 9659 210 0 579643
2479 5289 38207 210 0 610397
2482 9074 72302 210 0 650979
2482 12824 105416 210 0 691481
2482 16592 139536 210 0 733825
2482 20355 173670 210 0 774337
2482 24197 207706 210 0 814840
2482 27937 241854 210 0 855342
2482 31808 276489 210 0 897687
2482 35579 310980 210 0 938189
2482 39431 345047 210 0 980534
2482 43240 379138 210 0 1021036
2482 47019 413241 210 0 1063380
2482 52260 416287 210 2976 1130630
2482 55842 412718 210 2976 1205132
2482 59372 409640 210 2976 1279194
2482 62942 406386 210 2976 1352429
2482 66452 402808 210 2976 1426994
2482 69994 398164 210 2976 1501599
2482 73595 394937 210 2976 1575747
2482 77145 391132 210 2976 1650510
nr_mapped nr_active_file nr_inactive_file pgmajfault pgdeactivate pgfree
2482 80492 388103 210 2976 1725204
2482 84062 384532 210 2976 1800337
2482 87445 380942 210 2976 1875056
2482 91015 377106 210 2976 1949815
2482 94564 373549 210 2976 2023356
2482 98059 370849 210 2976 2096912
2482 101620 366238 210 2976 2171674
2482 104995 362720 210 2976 2244601
2482 108567 359153 210 2976 2318078
2482 111901 355563 210 2976 2392819
2482 115451 352494 210 2976 2466905
2482 118980 349152 210 2976 2541233
2482 122551 345285 210 2976 2614962
2482 126113 342388 210 2976 2688972
2482 129621 338839 210 2976 2763473
2482 133131 334191 210 2976 2836262
2482 136723 330930 210 2976 2910611
2482 140287 326605 210 2976 2984775
2482 143764 324762 210 2976 3057694
2482 147243 320252 210 2976 3131963
2482 150827 316352 210 2976 3205274
2482 154397 312721 210 2976 3278816
2482 157967 309162 210 2976 3353380
2482 161528 305576 210 2976 3427882
nr_mapped nr_active_file nr_inactive_file pgmajfault pgdeactivate pgfree
2482 165061 302027 210 2976 3502063
2482 168538 298928 210 2976 3575091
2482 172081 294769 210 2976 3647911
2482 175601 292199 210 2976 3720397
2482 179081 288771 210 2976 3794930
2482 182633 284220 210 2976 3869432
2482 186172 280831 210 2976 3942341
2482 189742 277112 210 2976 4016673
2482 193315 273093 210 2976 4091334
2482 196774 270122 210 2976 4163596
2482 200287 266444 210 2976 4236532
2482 203703 263161 210 2976 4308858
2482 207268 259474 210 2976 4381646
2482 210838 255351 210 2976 4455666
2482 214349 252997 210 2976 4529047
2482 217901 248585 210 2976 4603393
2482 221440 245816 210 2976 4677127
2482 224939 241265 210 2976 4749788
2482 228503 237940 210 2976 4824047
2482 231949 235169 210 2976 4896872
2482 232107 233917 210 6360 4971106
2482 232169 233760 210 9864 5044194
2482 232137 234282 210 13424 5118215
2482 232038 234689 210 17072 5191373
nr_mapped nr_active_file nr_inactive_file pgmajfault pgdeactivate pgfree
2482 232024 233617 210 20528 5265387
2482 231989 234068 210 24112 5338184
1633 232017 234121 210 27656 5411131
1587 231949 233573 210 31248 5483873
1587 231850 233982 210 34896 5558055
1587 232088 234191 210 38224 5631094
1587 231967 233481 210 41832 5705470
1587 231768 233872 210 45528 5777946
1587 232038 233825 210 48824 5851185
1587 231869 234363 210 52480 5924857
1587 231668 233908 210 56168 5997712
1587 231570 233846 210 59856 6072410
1587 231904 233479 210 63088 6145967
1612 231594 233792 219 66792 6218018
1615 231566 233568 219 70400 6292701
1615 231793 234747 219 73648 6364918
275 231637 233748 219 77520 6439606
275 231845 234435 219 80816 6513184
275 231801 233455 219 84440 6585880
275 231727 233586 219 88088 6660339
275 231793 233940 219 91560 6734426
275 231826 234481 219 95024 6807336
275 231855 233430 219 98520 6880864
275 231864 233495 219 102080 6954454
nr_mapped nr_active_file nr_inactive_file pgmajfault pgdeactivate pgfree
275 231957 234159 219 105512 7027167
275 231924 233393 219 109032 7101461
275 231828 233841 219 112656 7173782
275 231673 233836 219 116360 7248452
275 231930 234442 219 119576 7321068
275 231720 233885 219 123304 7395314
275 231615 233766 219 126968 7468198
275 231603 233714 219 130560 7542765
275 231857 233427 219 133872 7616274
275 231785 234150 219 137472 7690087
275 231917 234104 219 140896 7764542
275 231869 234438 219 144472 7837732
275 231778 234561 219 148112 7912201
275 231850 233467 219 151544 7986152
275 231838 233447 219 155136 8059397
275 231677 233832 219 158856 8133675
275 231641 233836 219 162472 8208212
275 231905 234435 219 165712 8280826
275 231758 234711 219 169408 8355167
275 231700 233713 219 173056 8429750
275 231884 234487 219 176376 8503291
275 231841 233475 219 179968 8577274
275 231670 233678 219 183688 8650455
275 231877 234016 219 187016 8724413
nr_mapped nr_active_file nr_inactive_file pgmajfault pgdeactivate pgfree
275 231868 234438 219 190584 8797506
275 231877 233482 219 194048 8871912
275 231850 233467 219 197624 8944604
275 231751 233886 219 201272 9018786
275 231904 234436 219 204592 9091561
275 231832 233431 219 208192 9164286
275 231677 233832 219 211896 9238531
275 231609 233804 219 215544 9313130
275 231959 233709 219 218760 9386349
275 231712 234756 219 222504 9460053
275 231543 233678 219 226160 9534447
275 231848 233423 219 229408 9606351
275 231753 233659 219 233096 9680706
275 231955 234149 219 236384 9753491
275 231859 233425 219 239960 9827808
275 231712 233636 219 243656 9900405
275 231918 233975 219 247016 9974344
275 231940 234399 219 250512 10047393
275 231876 233409 219 254080 10121926
275 231844 233483 219 257640 10194556
275 231921 233653 219 261112 10267755
275 231954 233395 219 264552 10341479
275 231840 233477 219 268184 10414172
275 231671 233806 219 271912 10488514
nr_mapped nr_active_file nr_inactive_file pgmajfault pgdeactivate pgfree
275 232021 233913 219 275128 10561524
275 231806 233543 219 278768 10635614
275 231662 233858 219 282536 10708103
275 231872 233445 219 285936 10781785
275 231817 234810 219 289464 10854982
275 231640 233772 219 293128 10929687
275 231630 233760 219 296728 11002396
275 231898 233481 219 300016 11075882
275 231707 234632 219 303704 11149428
275 231898 234440 219 307048 11222912
275 231888 234483 219 310576 11297363
275 231835 233512 219 314240 11371912
275 231891 233457 219 317688 11444589
275 231865 233877 219 321304 11518711
275 232024 233663 219 324680 11592202
275 231938 233476 219 328224 11666015
229 231848 233879 219 331952 11738375
207 231695 233904 219 335664 11813007
207 231667 233772 219 339272 11887671
207 231874 234140 219 342600 11960561
182 231761 233742 219 346200 12034573
179 231889 233517 219 349576 12106308
179 231911 233495 219 353144 12180810
179 231702 233673 219 356840 12254322
nr_mapped nr_active_file nr_inactive_file pgmajfault pgdeactivate pgfree
179 231942 234519 219 360104 12327738
179 231851 233523 219 363744 12400468
179 231929 233510 219 367232 12474907
179 232026 234466 219 370632 12547363
179 231793 233647 219 374336 12620657
179 231939 233725 219 377760 12694274
240 231864 234467 230 381296 12767642
275 231885 233512 237 384784 12842367
275 231860 233472 237 388360 12915091
275 231858 233937 237 391936 12989196
275 231974 234478 237 395288 13062001
275 231891 233530 237 398872 13136503
275 231793 233955 237 402536 13208844
275 231685 233839 237 406320 13283570
275 231889 233444 237 409696 13357203
275 231889 234754 237 413200 13430403
275 231683 233745 237 416872 13503690
275 231937 233522 237 420184 13578238
275 231821 233542 237 423880 13651326
275 231700 234688 237 427488 13724772
275 231916 234470 237 430776 13798281
275 231852 233543 237 434368 13870910
275 231979 234067 237 437776 13944771
275 231851 234504 237 441360 14017897
nr_mapped nr_active_file nr_inactive_file pgmajfault pgdeactivate pgfree
275 231736 233691 237 445024 14090495
275 231974 233678 237 448352 14164759
275 231989 233898 237 451896 14238022
275 231958 234440 237 455400 14311984
275 231916 233512 237 458960 14384612
275 231848 233932 237 462608 14458762
275 232016 234403 237 465944 14531600
275 231874 233564 237 469552 14604637
275 231743 233973 237 473232 14678442
275 231803 233370 237 476752 14752415
275 231908 234895 237 480120 14825334
275 231717 233839 237 483808 14898219
275 231665 233795 237 487440 14972833
275 231897 234618 237 490712 15045223
275 231697 233891 237 494368 15119329
275 231879 233516 237 497752 15193331
275 231845 233614 237 501376 15265927
275 231692 234695 237 505016 15339501
275 231974 234494 237 508256 15412914
275 231873 233490 237 511888 15486268
275 231911 233549 237 515416 15560044
275 231823 234063 237 519032 15634131
275 231963 233786 237 522472 15707700
275 231979 234408 237 525960 15781598
nr_mapped nr_active_file nr_inactive_file pgmajfault pgdeactivate pgfree
275 231906 233554 237 529520 15855678
275 231785 233931 237 533200 15928414
275 232060 233648 237 536560 16001878
275 231933 234549 237 540200 16075626
275 231772 233847 237 543848 16149417
275 231658 233897 237 547552 16222693
275 231920 233506 237 550856 16296304
275 231790 234532 237 554504 16369894
275 231630 233733 237 558120 16444349
275 231908 233486 237 561408 16515960
275 231755 234247 237 565120 16589824
275 231962 234147 237 568448 16664263
275 231960 234521 237 571968 16737370
275 231815 233579 237 575600 16811944
275 231973 233902 237 579008 16884115
275 231957 234524 237 582552 16957007
275 231898 233535 237 586144 17031515
275 231934 233520 237 589688 17104175
275 231819 234019 237 593352 17178310
275 231995 234482 237 596680 17251147
275 231908 233556 237 600264 17325650
275 231721 233893 237 604000 17398153
275 231925 233530 237 607376 17471741
275 231910 234919 237 610864 17544916
nr_mapped nr_active_file nr_inactive_file pgmajfault pgdeactivate pgfree
275 231759 233823 237 614512 17619311
275 231669 233835 237 618200 17692398
275 231905 233548 237 621512 17765908
275 231720 234758 237 625184 17839356
275 231983 234461 237 628456 17912898
275 231895 233462 237 632072 17986912
275 231828 233625 237 635688 18060029
275 231899 234131 237 639152 18133955
275 231914 234530 237 642624 18207017
275 231921 233501 237 646152 18279677
275 231855 234079 237 649736 18353667
275 231896 234484 237 653192 18426696
275 231936 233518 237 656656 18499262
213 231893 234041 237 660248 18573283
179 231942 234535 237 663672 18646217
179 231918 233546 237 667224 18718877
179 231835 234035 237 670856 18792963
179 231980 234465 237 674184 18865864
179 231890 233532 237 677792 18938526
179 231793 233949 237 681448 19012707
179 232072 234415 237 684704 19085449
179 231911 233927 237 688352 19159567
179 231725 233921 237 692056 19232420
179 231883 233444 237 695488 19306167
nr_mapped nr_active_file nr_inactive_file pgmajfault pgdeactivate pgfree
279 231711 233823 260 699040 19378595
284 231912 234421 260 702312 19451272
284 231822 233552 260 705920 19523869
284 231723 233907 260 709568 19598188
284 231958 234513 260 712816 19670834
284 231725 233937 260 716536 19743899
284 231733 233909 260 720184 19817821
284 231947 234875 260 723472 19890117
284 231754 233917 260 727152 19962906
284 231704 233807 260 730792 20037568
284 231849 234813 260 734120 20109894
284 231720 233855 260 737736 20182619
284 231620 233827 260 741416 20257250
284 231859 234387 260 744712 20329909
284 231654 233857 260 748352 20402300
284 231911 233554 260 751648 20475809
284 231826 234420 260 755264 20549535
284 232000 234151 260 758656 20624140
284 232013 234487 260 762192 20697299
284 231814 233632 260 765888 20771800
284 231927 233517 260 769328 20844461
284 232010 234142 260 772776 20917184
346 232134 234358 301 774888 20967746
379 232159 234371 301 774888 20967746
nr_mapped nr_active_file nr_inactive_file pgmajfault pgdeactivate pgfree
379 232159 234371 301 774888 20967848
379 232159 234371 301 774888 20967848
379 232159 234371 301 774888 20967849
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