linux-kernel - Re: Help decoding oom-killer output

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Message-ID: <4C874F60.4080901@cendio.se>
Date:	Wed, 08 Sep 2010 10:54:56 +0200
From:	Aaron Sowry <aaron@...dio.se>
To:	linux-kernel@...r.kernel.org
Subject: Re: Help decoding oom-killer output

On 08/09/10 10:09, Aaron Sowry wrote:
> Since this change, oom-killer seems to think we are running out of
> memory, and starts killing arbitrary processes. Output from 'free' does
> not indicate any lack of memory resource:

...however I have just noticed that low memory allocation appears to be
somewhat stingy, given the total amount of RAM available:

tle-thn18:~ # cat /proc/meminfo
MemTotal:       37115096 kB
MemFree:        34528308 kB
Buffers:           49356 kB
Cached:           861024 kB
SwapCached:            0 kB
Active:          1830136 kB
Inactive:         549420 kB
Active(anon):    1442900 kB
Inactive(anon):    73056 kB
Active(file):     387236 kB
Inactive(file):   476364 kB
Unevictable:           0 kB
Mlocked:               0 kB
HighTotal:      36931780 kB
HighFree:       34520552 kB
LowTotal:         183316 kB
LowFree:            7756 kB
SwapTotal:       4200988 kB
SwapFree:        4200988 kB
Dirty:              2624 kB
Writeback:             0 kB
AnonPages:       1469264 kB
Mapped:           203692 kB
Shmem:             46780 kB
Slab:              95460 kB
SReclaimable:      31968 kB
SUnreclaim:        63492 kB
KernelStack:        9952 kB
PageTables:        31660 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:    22758536 kB
Committed_AS:    4689664 kB
VmallocTotal:     524288 kB
VmallocUsed:       34520 kB
VmallocChunk:     311868 kB
HardwareCorrupted:     0 kB
HugePages_Total:       0
HugePages_Free:        0
HugePages_Rsvd:        0
HugePages_Surp:        0
Hugepagesize:       2048 kB
DirectMap4k:        8184 kB
DirectMap2M:      491520 kB

-- 
Aaron Sowry
Developer / Technical Sales
Cendio AB
Wallenbergs Gata 4
583 30  LINKÖPING
Sweden
aaron@...dio.se
Tel + 46 13 29 08 54
Fax + 46 13 21 47 00


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