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Message-ID: <CAOJsxLE0ADd8PvXv+tGadLf3oqi-7SBNtHQsP6manoEMCDPOnA@mail.gmail.com> Date: Mon, 9 Apr 2012 20:00:17 +0300 From: Pekka Enberg <penberg@...nel.org> To: Rik van Riel <riel@...hat.com> Cc: Sven Joachim <svenjoac@....de>, Linus Torvalds <torvalds@...ux-foundation.org>, Andrew Morton <akpm@...ux-foundation.org>, werner <w.landgraf@...ru>, David Rientjes <rientjes@...gle.com>, Hugh Dickins <hughd@...gle.com>, linux-kernel@...r.kernel.org, Oleg Nesterov <oleg@...hat.com> Subject: Re: v3.4-rc2 out-of-memory problems (was Re: 3.4-rc1 sticks-and-crashs) On Mon, Apr 9, 2012 at 7:33 PM, Rik van Riel <riel@...hat.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? 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. -- 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/
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