From: Sven Joachim <svenjoac@gmx.de>
To: Pekka Enberg <penberg@kernel.org>
Cc: Rik van Riel <riel@redhat.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
Andrew Morton <akpm@linux-foundation.org>,
werner <w.landgraf@ru.ru>, David Rientjes <rientjes@google.com>,
Hugh Dickins <hughd@google.com>,
linux-kernel@vger.kernel.org, Oleg Nesterov <oleg@redhat.com>
Subject: Re: v3.4-rc2 out-of-memory problems (was Re: 3.4-rc1 sticks-and-crashs)
Date: Mon, 09 Apr 2012 19:19:07 +0200 [thread overview]
Message-ID: <87mx6kddro.fsf@turtle.gmx.de> (raw)
In-Reply-To: <CAOJsxLE0ADd8PvXv+tGadLf3oqi-7SBNtHQsP6manoEMCDPOnA@mail.gmail.com> (Pekka Enberg's message of "Mon, 9 Apr 2012 20:00:17 +0300")
On 2012-04-09 19:00 +0200, Pekka Enberg wrote:
> On Mon, Apr 9, 2012 at 7:33 PM, Rik van Riel <riel@redhat.com> wrote:
>>> 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.
>>
>> That is perfectly fine, since those caches will be shrunk
>> when the system needs memory.
>
> CONFIG_SLUB, right?
Actually, no. For some reason (probably historical…) I have CONFIG_SLAB.
> It will merge caches so you don't necessarily see
> leaks in /proc/slabinfo. You can use "slub_nomerge" kernel parameter
> to disable the merging.
Cheers,
Sven
next prev parent reply other threads:[~2012-04-09 17:19 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-09 2:42 v3.4-rc2 out-of-memory problems (was Re: 3.4-rc1 sticks-and-crashs) Linus Torvalds
2012-04-09 2:50 ` Andrew Morton
2012-04-09 3:11 ` Linus Torvalds
2012-04-09 7:04 ` Sven Joachim
2012-04-09 15:24 ` Linus Torvalds
2012-04-09 15:43 ` Sven Joachim
2012-04-09 15:57 ` Rik van Riel
2012-04-09 16:19 ` Sven Joachim
2012-04-09 16:33 ` Rik van Riel
2012-04-09 17:00 ` Pekka Enberg
2012-04-09 17:19 ` Sven Joachim [this message]
2012-04-09 17:00 ` Sven Joachim
2012-04-09 17:20 ` Rik van Riel
2012-04-09 10:15 ` David Rientjes
2012-04-09 15:39 ` Linus Torvalds
2012-04-09 21:22 ` David Rientjes
2012-04-09 22:09 ` Linus Torvalds
2012-04-09 23:25 ` David Rientjes
2012-04-09 23:55 ` Linus Torvalds
2012-04-09 23:55 ` Linus Torvalds
2012-04-10 0:04 ` David Rientjes
2012-04-10 0:04 ` David Rientjes
2012-04-14 20:50 ` Srivatsa S. Bhat
2012-04-09 23:56 ` [patch] android, lowmemorykiller: remove task handoff notifier David Rientjes
2012-04-10 1:23 ` Colin Cross
2012-04-10 1:23 ` Colin Cross
[not found] ` <web-723076709@zbackend1.aha.ru>
[not found] ` <alpine.DEB.2.00.1204091637280.21813@chino.kir.corp.google.com>
[not found] ` <web-723082731@zbackend1.aha.ru>
[not found] ` <alpine.DEB.2.00.1204091707580.21813@chino.kir.corp.google.com>
2012-04-10 7:09 ` v3.4-rc2 out-of-memory problems (was Re: 3.4-rc1 sticks-and-crashs) werner
2012-04-10 7:10 ` werner
2012-04-09 22:13 ` Colin Cross
2012-04-09 22:13 ` Colin Cross
2012-04-09 22:21 ` Greg Kroah-Hartman
2012-04-09 22:21 ` Greg Kroah-Hartman
2012-04-09 22:44 ` john stultz
2012-04-09 22:44 ` john stultz
2012-04-09 22:30 ` Linus Torvalds
2012-04-09 23:37 ` David Rientjes
2012-04-10 0:23 ` Colin Cross
2012-04-10 0:23 ` Colin Cross
2012-04-10 0:32 ` David Rientjes
2012-04-10 1:21 ` Colin Cross
2012-04-10 1:21 ` Colin Cross
2012-04-10 1:33 ` David Rientjes
2012-04-10 1:37 ` Colin Cross
-- strict thread matches above, loose matches on Subject: below --
2012-04-09 6:52 werner
2012-04-09 7:01 werner
2012-04-10 1:52 werner
2012-04-10 1:51 ` Rik van Riel
2012-04-10 2:13 ` werner
2012-04-10 12:53 werner
2012-04-14 19:38 werner
2012-04-14 19:58 ` Rik van Riel
2012-04-14 21:03 ` Linus Torvalds
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