| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Date: Mon, 23 Aug 2010 09:27:41 +0300
From: "M. Vefa Bicakci" <bicave@...eronline.com>
To: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
CC: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [Bisected Regression in 2.6.35] A full tmpfs filesystem causeshibernation to hang
Hello,
On 23/08/10 03:22 AM, KOSAKI Motohiro wrote:
>
> sorry, my last mail has some mistake.
>
No problem. I did the tests again according to your new instructions,
and I am appending the results.
Regards,
M. Vefa Bicakci
> 1. Please let me know your machine & test script
>
% ./your-fills-up-the-tmpfs-script (i.e. run your script)
> % cat /proc/meminfo
MemTotal: 3104484 kB
MemFree: 1258780 kB
Buffers: 30820 kB
Cached: 1693836 kB
SwapCached: 0 kB
Active: 1670344 kB
Inactive: 137960 kB
Active(anon): 1633940 kB
Inactive(anon): 26224 kB
Active(file): 36404 kB
Inactive(file): 111736 kB
Unevictable: 32 kB
Mlocked: 32 kB
HighTotal: 2226632 kB
HighFree: 437684 kB
LowTotal: 877852 kB
LowFree: 821096 kB
SwapTotal: 1999540 kB
SwapFree: 1999540 kB
Dirty: 28 kB
Writeback: 0 kB
AnonPages: 83676 kB
Mapped: 44220 kB
Shmem: 1576520 kB
Slab: 17136 kB
SReclaimable: 9480 kB
SUnreclaim: 7656 kB
KernelStack: 1832 kB
PageTables: 2440 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
WritebackTmp: 0 kB
CommitLimit: 3551780 kB
Committed_AS: 1892636 kB
VmallocTotal: 122880 kB
VmallocUsed: 16308 kB
VmallocChunk: 92764 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 4096 kB
DirectMap4k: 24568 kB
DirectMap4M: 884736 kB
> % cat /proc/vmstat
nr_free_pages 314850
nr_inactive_anon 6480
nr_active_anon 408485
nr_inactive_file 27935
nr_active_file 9101
nr_unevictable 8
nr_mlock 8
nr_anon_pages 20919
nr_mapped 11055
nr_file_pages 431089
nr_dirty 8
nr_writeback 0
nr_slab_reclaimable 2370
nr_slab_unreclaimable 1914
nr_page_table_pages 610
nr_kernel_stack 229
nr_unstable 0
nr_bounce 0
nr_vmscan_write 0
nr_writeback_temp 0
nr_isolated_anon 0
nr_isolated_file 0
nr_shmem 394054
pgpgin 150719
pgpgout 5312
pswpin 0
pswpout 0
pgalloc_dma 2
pgalloc_normal 116354
pgalloc_high 2637682
pgalloc_movable 0
pgfree 3069531
pgactivate 2339016
pgdeactivate 160
pgfault 699155
pgmajfault 1082
pgrefill_dma 0
pgrefill_normal 0
pgrefill_high 160
pgrefill_movable 0
pgsteal_dma 0
pgsteal_normal 0
pgsteal_high 29
pgsteal_movable 0
pgscan_kswapd_dma 0
pgscan_kswapd_normal 0
pgscan_kswapd_high 0
pgscan_kswapd_movable 0
pgscan_direct_dma 0
pgscan_direct_normal 0
pgscan_direct_high 32
pgscan_direct_movable 0
pginodesteal 0
slabs_scanned 0
kswapd_steal 0
kswapd_inodesteal 0
kswapd_low_wmark_hit_quickly 0
kswapd_high_wmark_hit_quickly 0
kswapd_skip_congestion_wait 0
pageoutrun 0
allocstall 1
pgrotated 0
htlb_buddy_alloc_success 0
htlb_buddy_alloc_fail 0
unevictable_pgs_culled 7832
unevictable_pgs_scanned 0
unevictable_pgs_rescued 7046
unevictable_pgs_mlocked 8562
unevictable_pgs_munlocked 8554
unevictable_pgs_cleared 0
unevictable_pgs_stranded 0
unevictable_pgs_mlockfreed 0
> % cat /proc/zoneinfo
Node 0, zone DMA
pages free 2614
min 16
low 20
high 24
scanned 0
spanned 4080
present 3951
nr_free_pages 2614
nr_inactive_anon 0
nr_active_anon 0
nr_inactive_file 0
nr_active_file 0
nr_unevictable 0
nr_mlock 0
nr_anon_pages 0
nr_mapped 0
nr_file_pages 0
nr_dirty 0
nr_writeback 0
nr_slab_reclaimable 0
nr_slab_unreclaimable 2
nr_page_table_pages 0
nr_kernel_stack 0
nr_unstable 0
nr_bounce 0
nr_vmscan_write 0
nr_writeback_temp 0
nr_isolated_anon 0
nr_isolated_file 0
nr_shmem 0
protection: (0, 865, 3022, 3022)
pagesets
cpu: 0
count: 0
high: 0
batch: 1
vm stats threshold: 4
cpu: 1
count: 0
high: 0
batch: 1
vm stats threshold: 4
all_unreclaimable: 0
prev_priority: 9
start_pfn: 16
inactive_ratio: 1
recent_anon_rotated: 0
recent_anon_scanned: 0
recent_file_rotated: 0
recent_file_scanned: 0
anon_ratio: 30
Node 0, zone Normal
pages free 202722
min 932
low 1165
high 1398
scanned 0
spanned 223230
present 221486
nr_free_pages 202722
nr_inactive_anon 0
nr_active_anon 0
nr_inactive_file 5792
nr_active_file 1970
nr_unevictable 0
nr_mlock 0
nr_anon_pages 0
nr_mapped 1
nr_file_pages 7761
nr_dirty 7
nr_writeback 0
nr_slab_reclaimable 2370
nr_slab_unreclaimable 1912
nr_page_table_pages 0
nr_kernel_stack 229
nr_unstable 0
nr_bounce 0
nr_vmscan_write 0
nr_writeback_temp 0
nr_isolated_anon 0
nr_isolated_file 0
nr_shmem 0
protection: (0, 0, 17259, 17259)
pagesets
cpu: 0
count: 155
high: 186
batch: 31
vm stats threshold: 16
cpu: 1
count: 173
high: 186
batch: 31
vm stats threshold: 16
all_unreclaimable: 0
prev_priority: 9
start_pfn: 4096
inactive_ratio: 1
recent_anon_rotated: 0
recent_anon_scanned: 0
recent_file_rotated: 272
recent_file_scanned: 1385
anon_ratio: 7
Node 0, zone HighMem
pages free 109607
min 128
low 709
high 1290
scanned 0
spanned 556658
present 552309
nr_free_pages 109607
nr_inactive_anon 6482
nr_active_anon 408478
nr_inactive_file 22146
nr_active_file 7131
nr_unevictable 8
nr_mlock 8
nr_anon_pages 20919
nr_mapped 11054
nr_file_pages 423333
nr_dirty 2
nr_writeback 0
nr_slab_reclaimable 0
nr_slab_unreclaimable 0
nr_page_table_pages 610
nr_kernel_stack 0
nr_unstable 0
nr_bounce 0
nr_vmscan_write 0
nr_writeback_temp 0
nr_isolated_anon 0
nr_isolated_file 0
nr_shmem 394056
protection: (0, 0, 0, 0)
pagesets
cpu: 0
count: 107
high: 186
batch: 31
vm stats threshold: 24
cpu: 1
count: 129
high: 186
batch: 31
vm stats threshold: 24
all_unreclaimable: 0
prev_priority: 9
start_pfn: 227326
inactive_ratio: 4
recent_anon_rotated: 1259857
recent_anon_scanned: 2522124
recent_file_rotated: 1269
recent_file_scanned: 5591
anon_ratio: 16
> % df
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/sda15 10317828 7309436 2484276 75% /
tmpfs 1552240 8 1552232 1% /lib/init/rw
udev 1549148 220 1548928 1% /dev
tmpfs 1552240 4 1552236 1% /dev/shm
tmpfs 1552240 1552240 0 100% /tmp
> % cat your-fills-up-the-tmpfs-script
#!/bin/bash
rm -vf /tmp/tmp
dd if=/dev/zero of=/tmp/tmp bs=1024k count=1600
shred -vn1 /tmp/tmp
exit 0 ### removed when testing hibernation
read -p "Press enter to hibernate..."
echo -n reboot > /sys/power/disk
echo -n disk > /sys/power/state
echo "Exit code: $?"
rm -vf /tmp/tmp
>
> 2. call shrink_all_memory() forcely and show result
>
% ./your-fills-up-the-tmpfs-script
> % cat /proc/meminfo
MemTotal: 3104484 kB
MemFree: 1259400 kB
Buffers: 30836 kB
Cached: 1693572 kB
SwapCached: 0 kB
Active: 1670356 kB
Inactive: 137708 kB
Active(anon): 1633948 kB
Inactive(anon): 25944 kB
Active(file): 36408 kB
Inactive(file): 111764 kB
Unevictable: 32 kB
Mlocked: 32 kB
HighTotal: 2226632 kB
HighFree: 438056 kB
LowTotal: 877852 kB
LowFree: 821344 kB
SwapTotal: 1999540 kB
SwapFree: 1999540 kB
Dirty: 36 kB
Writeback: 0 kB
AnonPages: 83684 kB
Mapped: 44236 kB
Shmem: 1576240 kB
Slab: 17136 kB
SReclaimable: 9480 kB
SUnreclaim: 7656 kB
KernelStack: 1832 kB
PageTables: 2440 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
WritebackTmp: 0 kB
CommitLimit: 3551780 kB
Committed_AS: 1892412 kB
VmallocTotal: 122880 kB
VmallocUsed: 16308 kB
VmallocChunk: 92764 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 4096 kB
DirectMap4k: 24568 kB
DirectMap4M: 884736 kB
> % cat /proc/zoneinfo
Node 0, zone DMA
pages free 2614
min 16
low 20
high 24
scanned 0
spanned 4080
present 3951
nr_free_pages 2614
nr_inactive_anon 0
nr_active_anon 0
nr_inactive_file 0
nr_active_file 0
nr_unevictable 0
nr_mlock 0
nr_anon_pages 0
nr_mapped 0
nr_file_pages 0
nr_dirty 0
nr_writeback 0
nr_slab_reclaimable 0
nr_slab_unreclaimable 2
nr_page_table_pages 0
nr_kernel_stack 0
nr_unstable 0
nr_bounce 0
nr_vmscan_write 0
nr_writeback_temp 0
nr_isolated_anon 0
nr_isolated_file 0
nr_shmem 0
protection: (0, 865, 3022, 3022)
pagesets
cpu: 0
count: 0
high: 0
batch: 1
vm stats threshold: 4
cpu: 1
count: 0
high: 0
batch: 1
vm stats threshold: 4
all_unreclaimable: 0
prev_priority: 9
start_pfn: 16
inactive_ratio: 1
recent_anon_rotated: 0
recent_anon_scanned: 0
recent_file_rotated: 0
recent_file_scanned: 0
anon_ratio: 30
Node 0, zone Normal
pages free 202691
min 932
low 1165
high 1398
scanned 0
spanned 223230
present 221486
nr_free_pages 202691
nr_inactive_anon 0
nr_active_anon 0
nr_inactive_file 5796
nr_active_file 1970
nr_unevictable 0
nr_mlock 0
nr_anon_pages 0
nr_mapped 1
nr_file_pages 7765
nr_dirty 7
nr_writeback 0
nr_slab_reclaimable 2370
nr_slab_unreclaimable 1912
nr_page_table_pages 0
nr_kernel_stack 229
nr_unstable 0
nr_bounce 0
nr_vmscan_write 0
nr_writeback_temp 0
nr_isolated_anon 0
nr_isolated_file 0
nr_shmem 0
protection: (0, 0, 17259, 17259)
pagesets
cpu: 0
count: 161
high: 186
batch: 31
vm stats threshold: 16
cpu: 1
count: 170
high: 186
batch: 31
vm stats threshold: 16
all_unreclaimable: 0
prev_priority: 9
start_pfn: 4096
inactive_ratio: 1
recent_anon_rotated: 0
recent_anon_scanned: 0
recent_file_rotated: 272
recent_file_scanned: 1389
anon_ratio: 7
Node 0, zone HighMem
pages free 109514
min 128
low 709
high 1290
scanned 0
spanned 556658
present 552309
nr_free_pages 109514
nr_inactive_anon 6484
nr_active_anon 408487
nr_inactive_file 22148
nr_active_file 7132
nr_unevictable 8
nr_mlock 8
nr_anon_pages 20921
nr_mapped 11058
nr_file_pages 423338
nr_dirty 3
nr_writeback 0
nr_slab_reclaimable 0
nr_slab_unreclaimable 0
nr_page_table_pages 610
nr_kernel_stack 0
nr_unstable 0
nr_bounce 0
nr_vmscan_write 0
nr_writeback_temp 0
nr_isolated_anon 0
nr_isolated_file 0
nr_shmem 394058
protection: (0, 0, 0, 0)
pagesets
cpu: 0
count: 167
high: 186
batch: 31
vm stats threshold: 24
cpu: 1
count: 156
high: 186
batch: 31
vm stats threshold: 24
all_unreclaimable: 0
prev_priority: 9
start_pfn: 227326
inactive_ratio: 4
recent_anon_rotated: 1650360
recent_anon_scanned: 3304957
recent_file_rotated: 1270
recent_file_scanned: 5595
anon_ratio: 16
> # echo 1 > /proc/sys/vm/shrink_all_memory
> # tail /var/log/messages
[ 439.165652] shrink_all_memory start
[ 439.165960] shrink_all_memory: req:1 reclaimed:32 free:313765
> % cat /proc/meminfo
MemTotal: 3104484 kB
MemFree: 1259516 kB
Buffers: 30852 kB
Cached: 1693672 kB
SwapCached: 0 kB
Active: 1669728 kB
Inactive: 138456 kB
Active(anon): 1633320 kB
Inactive(anon): 26800 kB
Active(file): 36408 kB
Inactive(file): 111656 kB
Unevictable: 32 kB
Mlocked: 32 kB
HighTotal: 2226632 kB
HighFree: 438180 kB
LowTotal: 877852 kB
LowFree: 821336 kB
SwapTotal: 1999540 kB
SwapFree: 1999540 kB
Dirty: 40 kB
Writeback: 0 kB
AnonPages: 83696 kB
Mapped: 44236 kB
Shmem: 1576460 kB
Slab: 17140 kB
SReclaimable: 9484 kB
SUnreclaim: 7656 kB
KernelStack: 1840 kB
PageTables: 2440 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
WritebackTmp: 0 kB
CommitLimit: 3551780 kB
Committed_AS: 1892540 kB
VmallocTotal: 122880 kB
VmallocUsed: 16308 kB
VmallocChunk: 92764 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 4096 kB
DirectMap4k: 24568 kB
DirectMap4M: 884736 kB
> % cat /proc/zoneinfo
Node 0, zone DMA
pages free 2614
min 16
low 20
high 24
scanned 0
spanned 4080
present 3951
nr_free_pages 2614
nr_inactive_anon 0
nr_active_anon 0
nr_inactive_file 0
nr_active_file 0
nr_unevictable 0
nr_mlock 0
nr_anon_pages 0
nr_mapped 0
nr_file_pages 0
nr_dirty 0
nr_writeback 0
nr_slab_reclaimable 0
nr_slab_unreclaimable 2
nr_page_table_pages 0
nr_kernel_stack 0
nr_unstable 0
nr_bounce 0
nr_vmscan_write 0
nr_writeback_temp 0
nr_isolated_anon 0
nr_isolated_file 0
nr_shmem 0
protection: (0, 865, 3022, 3022)
pagesets
cpu: 0
count: 0
high: 0
batch: 1
vm stats threshold: 4
cpu: 1
count: 0
high: 0
batch: 1
vm stats threshold: 4
all_unreclaimable: 0
prev_priority: 9
start_pfn: 16
inactive_ratio: 1
recent_anon_rotated: 0
recent_anon_scanned: 0
recent_file_rotated: 0
recent_file_scanned: 0
anon_ratio: 30
Node 0, zone Normal
pages free 202720
min 932
low 1165
high 1398
scanned 0
spanned 223230
present 221486
nr_free_pages 202720
nr_inactive_anon 0
nr_active_anon 0
nr_inactive_file 5798
nr_active_file 1970
nr_unevictable 0
nr_mlock 0
nr_anon_pages 0
nr_mapped 1
nr_file_pages 7767
nr_dirty 0
nr_writeback 0
nr_slab_reclaimable 2371
nr_slab_unreclaimable 1912
nr_page_table_pages 0
nr_kernel_stack 230
nr_unstable 0
nr_bounce 0
nr_vmscan_write 0
nr_writeback_temp 0
nr_isolated_anon 0
nr_isolated_file 0
nr_shmem 0
protection: (0, 0, 17259, 17259)
pagesets
cpu: 0
count: 139
high: 186
batch: 31
vm stats threshold: 16
cpu: 1
count: 165
high: 186
batch: 31
vm stats threshold: 16
all_unreclaimable: 0
prev_priority: 9
start_pfn: 4096
inactive_ratio: 1
recent_anon_rotated: 0
recent_anon_scanned: 0
recent_file_rotated: 272
recent_file_scanned: 1391
anon_ratio: 7
Node 0, zone HighMem
pages free 109576
min 128
low 709
high 1290
scanned 0
spanned 556658
present 552309
nr_free_pages 109576
nr_inactive_anon 6642
nr_active_anon 408330
nr_inactive_file 22118
nr_active_file 7132
nr_unevictable 8
nr_mlock 8
nr_anon_pages 20924
nr_mapped 11058
nr_file_pages 423306
nr_dirty 3
nr_writeback 0
nr_slab_reclaimable 0
nr_slab_unreclaimable 0
nr_page_table_pages 610
nr_kernel_stack 0
nr_unstable 0
nr_bounce 0
nr_vmscan_write 0
nr_writeback_temp 0
nr_isolated_anon 0
nr_isolated_file 0
nr_shmem 394056
protection: (0, 0, 0, 0)
pagesets
cpu: 0
count: 158
high: 186
batch: 31
vm stats threshold: 24
cpu: 1
count: 133
high: 186
batch: 31
vm stats threshold: 24
all_unreclaimable: 0
prev_priority: 9
start_pfn: 227326
inactive_ratio: 4
recent_anon_rotated: 103467
recent_anon_scanned: 207085
recent_file_rotated: 1270
recent_file_scanned: 5629
anon_ratio: 16
> 3. reset zone_reclaim_stat and rerun shrink_all_memory
>
% ./your-fills-up-the-tmpfs-script
> # echo 1 > /proc/sys/vm/reset_reclaim_stat
> % cat /proc/meminfo
MemTotal: 3104484 kB
MemFree: 1260012 kB
Buffers: 30884 kB
Cached: 1693496 kB
SwapCached: 0 kB
Active: 1669736 kB
Inactive: 138316 kB
Active(anon): 1633324 kB
Inactive(anon): 26616 kB
Active(file): 36412 kB
Inactive(file): 111700 kB
Unevictable: 32 kB
Mlocked: 32 kB
HighTotal: 2226632 kB
HighFree: 438304 kB
LowTotal: 877852 kB
LowFree: 821708 kB
SwapTotal: 1999540 kB
SwapFree: 1999540 kB
Dirty: 12 kB
Writeback: 0 kB
AnonPages: 83700 kB
Mapped: 44240 kB
Shmem: 1576272 kB
Slab: 17140 kB
SReclaimable: 9484 kB
SUnreclaim: 7656 kB
KernelStack: 1840 kB
PageTables: 2440 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
WritebackTmp: 0 kB
CommitLimit: 3551780 kB
Committed_AS: 1892440 kB
VmallocTotal: 122880 kB
VmallocUsed: 16308 kB
VmallocChunk: 92764 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 4096 kB
DirectMap4k: 24568 kB
DirectMap4M: 884736 kB
> % cat /proc/zoneinfo
Node 0, zone DMA
pages free 2614
min 16
low 20
high 24
scanned 0
spanned 4080
present 3951
nr_free_pages 2614
nr_inactive_anon 0
nr_active_anon 0
nr_inactive_file 0
nr_active_file 0
nr_unevictable 0
nr_mlock 0
nr_anon_pages 0
nr_mapped 0
nr_file_pages 0
nr_dirty 0
nr_writeback 0
nr_slab_reclaimable 0
nr_slab_unreclaimable 2
nr_page_table_pages 0
nr_kernel_stack 0
nr_unstable 0
nr_bounce 0
nr_vmscan_write 0
nr_writeback_temp 0
nr_isolated_anon 0
nr_isolated_file 0
nr_shmem 0
protection: (0, 865, 3022, 3022)
pagesets
cpu: 0
count: 0
high: 0
batch: 1
vm stats threshold: 4
cpu: 1
count: 0
high: 0
batch: 1
vm stats threshold: 4
all_unreclaimable: 0
prev_priority: 9
start_pfn: 16
inactive_ratio: 1
recent_anon_rotated: 0
recent_anon_scanned: 0
recent_file_rotated: 0
recent_file_scanned: 0
anon_ratio: 30
Node 0, zone Normal
pages free 202844
min 932
low 1165
high 1398
scanned 0
spanned 223230
present 221486
nr_free_pages 202844
nr_inactive_anon 0
nr_active_anon 0
nr_inactive_file 5808
nr_active_file 1970
nr_unevictable 0
nr_mlock 0
nr_anon_pages 0
nr_mapped 1
nr_file_pages 7777
nr_dirty 5
nr_writeback 0
nr_slab_reclaimable 2371
nr_slab_unreclaimable 1912
nr_page_table_pages 0
nr_kernel_stack 230
nr_unstable 0
nr_bounce 0
nr_vmscan_write 0
nr_writeback_temp 0
nr_isolated_anon 0
nr_isolated_file 0
nr_shmem 0
protection: (0, 0, 17259, 17259)
pagesets
cpu: 0
count: 153
high: 186
batch: 31
vm stats threshold: 16
cpu: 1
count: 39
high: 186
batch: 31
vm stats threshold: 16
all_unreclaimable: 0
prev_priority: 9
start_pfn: 4096
inactive_ratio: 1
recent_anon_rotated: 0
recent_anon_scanned: 0
recent_file_rotated: 0
recent_file_scanned: 2
anon_ratio: 12
Node 0, zone HighMem
pages free 109607
min 128
low 709
high 1290
scanned 0
spanned 556658
present 552309
nr_free_pages 109607
nr_inactive_anon 6638
nr_active_anon 408331
nr_inactive_file 22120
nr_active_file 7133
nr_unevictable 8
nr_mlock 8
nr_anon_pages 20925
nr_mapped 11057
nr_file_pages 423305
nr_dirty 1
nr_writeback 0
nr_slab_reclaimable 0
nr_slab_unreclaimable 0
nr_page_table_pages 610
nr_kernel_stack 0
nr_unstable 0
nr_bounce 0
nr_vmscan_write 0
nr_writeback_temp 0
nr_isolated_anon 0
nr_isolated_file 0
nr_shmem 394052
protection: (0, 0, 0, 0)
pagesets
cpu: 0
count: 157
high: 186
batch: 31
vm stats threshold: 24
cpu: 1
count: 94
high: 186
batch: 31
vm stats threshold: 24
all_unreclaimable: 0
prev_priority: 9
start_pfn: 227326
inactive_ratio: 4
recent_anon_rotated: 896
recent_anon_scanned: 1078
recent_file_rotated: 0
recent_file_scanned: 1
anon_ratio: 20
> # echo 1 > /proc/sys/vm/shrink_all_memory
> # tail /var/log/messages
[ 504.609297] shrink_all_memory start
[ 504.609537] shrink_all_memory: req:1 reclaimed:31 free:315005
> % cat /proc/meminfo
MemTotal: 3104484 kB
MemFree: 1255796 kB
Buffers: 30788 kB
Cached: 1697944 kB
SwapCached: 0 kB
Active: 1669480 kB
Inactive: 143044 kB
Active(anon): 1633064 kB
Inactive(anon): 31432 kB
Active(file): 36416 kB
Inactive(file): 111612 kB
Unevictable: 32 kB
Mlocked: 32 kB
HighTotal: 2226632 kB
HighFree: 433964 kB
LowTotal: 877852 kB
LowFree: 821832 kB
SwapTotal: 1999540 kB
SwapFree: 1999540 kB
Dirty: 40 kB
Writeback: 0 kB
AnonPages: 83852 kB
Mapped: 44220 kB
Shmem: 1580704 kB
Slab: 17140 kB
SReclaimable: 9484 kB
SUnreclaim: 7656 kB
KernelStack: 1840 kB
PageTables: 2440 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
WritebackTmp: 0 kB
CommitLimit: 3551780 kB
Committed_AS: 1896832 kB
VmallocTotal: 122880 kB
VmallocUsed: 16308 kB
VmallocChunk: 92764 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 4096 kB
DirectMap4k: 24568 kB
DirectMap4M: 884736 kB
> % cat /proc/zoneinfo
Node 0, zone DMA
pages free 2614
min 16
low 20
high 24
scanned 0
spanned 4080
present 3951
nr_free_pages 2614
nr_inactive_anon 0
nr_active_anon 0
nr_inactive_file 0
nr_active_file 0
nr_unevictable 0
nr_mlock 0
nr_anon_pages 0
nr_mapped 0
nr_file_pages 0
nr_dirty 0
nr_writeback 0
nr_slab_reclaimable 0
nr_slab_unreclaimable 2
nr_page_table_pages 0
nr_kernel_stack 0
nr_unstable 0
nr_bounce 0
nr_vmscan_write 0
nr_writeback_temp 0
nr_isolated_anon 0
nr_isolated_file 0
nr_shmem 0
protection: (0, 865, 3022, 3022)
pagesets
cpu: 0
count: 0
high: 0
batch: 1
vm stats threshold: 4
cpu: 1
count: 0
high: 0
batch: 1
vm stats threshold: 4
all_unreclaimable: 0
prev_priority: 10
start_pfn: 16
inactive_ratio: 1
recent_anon_rotated: 0
recent_anon_scanned: 0
recent_file_rotated: 0
recent_file_scanned: 0
anon_ratio: 30
Node 0, zone Normal
pages free 202844
min 932
low 1165
high 1398
scanned 0
spanned 223230
present 221486
nr_free_pages 202844
nr_inactive_anon 0
nr_active_anon 0
nr_inactive_file 5778
nr_active_file 1971
nr_unevictable 0
nr_mlock 0
nr_anon_pages 0
nr_mapped 1
nr_file_pages 7749
nr_dirty 5
nr_writeback 0
nr_slab_reclaimable 2371
nr_slab_unreclaimable 1912
nr_page_table_pages 0
nr_kernel_stack 230
nr_unstable 0
nr_bounce 0
nr_vmscan_write 0
nr_writeback_temp 0
nr_isolated_anon 0
nr_isolated_file 0
nr_shmem 0
protection: (0, 0, 17259, 17259)
pagesets
cpu: 0
count: 102
high: 186
batch: 31
vm stats threshold: 16
cpu: 1
count: 63
high: 186
batch: 31
vm stats threshold: 16
all_unreclaimable: 0
prev_priority: 10
start_pfn: 4096
inactive_ratio: 1
recent_anon_rotated: 0
recent_anon_scanned: 0
recent_file_rotated: 1
recent_file_scanned: 38
anon_ratio: 2
Node 0, zone HighMem
pages free 109545
min 128
low 709
high 1290
scanned 96
spanned 556658
present 552309
nr_free_pages 109545
nr_inactive_anon 6797
nr_active_anon 408235
nr_inactive_file 22122
nr_active_file 7133
nr_unevictable 8
nr_mlock 8
nr_anon_pages 20925
nr_mapped 11054
nr_file_pages 423370
nr_dirty 5
nr_writeback 0
nr_slab_reclaimable 0
nr_slab_unreclaimable 0
nr_page_table_pages 610
nr_kernel_stack 0
nr_unstable 0
nr_bounce 0
nr_vmscan_write 0
nr_writeback_temp 0
nr_isolated_anon 0
nr_isolated_file 0
nr_shmem 394115
protection: (0, 0, 0, 0)
pagesets
cpu: 0
count: 137
high: 186
batch: 31
vm stats threshold: 24
cpu: 1
count: 119
high: 186
batch: 31
vm stats threshold: 24
all_unreclaimable: 0
prev_priority: 10
start_pfn: 227326
inactive_ratio: 4
recent_anon_rotated: 1358
recent_anon_scanned: 1730
recent_file_rotated: 0
recent_file_scanned: 3
anon_ratio: 11
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists