lkml.org 
[lkml]   [2012]   [Apr]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: v3.4-rc2 out-of-memory problems (was Re: 3.4-rc1 sticks-and-crashs)
Date
On 2012-04-09 18:33 +0200, Rik van Riel wrote:

> On 04/09/2012 12:19 PM, Sven Joachim wrote:
>> On 2012-04-09 17:57 +0200, Rik van Riel wrote:
>>
>>> On 04/09/2012 03:04 AM, Sven Joachim wrote:
>>>
>>>> While I did not experience any crashes or instabilities (yet?), I'm also
>>>> seeing memory leaks. On a system started this morning, with hardly
>>>> anything running:
>>>
>>>> where I would expect no more than 50 MB used, 400 MB are actually in use:
>>>>
>>>> ,----
>>>> | $ free
>>>> | total used free shared buffers cached
>>>> | Mem: 3348400 1849712 1498688 0 328960 1119180
>>>> | -/+ buffers/cache: 401572 2946828
>>>> | Swap: 3719040 0 3719040
>>>> `----
>>>
>>> Do you see any big memory users in /proc/meminfo or in
>>> /proc/slabinfo?
>>
>> Attaching these files, since I can't really make anything out of the
>> latter. Note that I started a few memory hogs (X, Firefox, Emacs with
>> Gnus), so overall memory footprint has grown to 768 MB.
>
> Looks like the "missing" 400MB is all in filesystem caches,
> specifically the dentry cache, the ext4 inode cache and
> buffer heads.

Then why does free(1) report those in the "-/+ buffers/cache:" line? It
did not do this with earlier kernels, AFAIK.

Cheers,
Sven


\
 
 \ /
  Last update: 2012-04-09 19:03    [W:0.050 / U:0.072 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site