linux-kernel - Re: [BUG] Possible cache memory leak.

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Message-Id: <E1IYjnJ-0000ee-2g@be1.lrz>
Date:	Fri, 21 Sep 2007 16:47:48 +0200
From:	Bodo Eggert <7eggert@....de>
To:	Micha? Kazior <kazikcz@...il.com>, linux-kernel@...r.kernel.org
Subject: Re: [BUG] Possible cache memory leak.

Micha? Kazior <kazikcz@...il.com> wrote:

> I've discovered a strange thing lately. My memory is being sucked out
> when doing (I suppose) _a lot_ of stat() on the file system. I got left
> once with ~30MB of ram (of 512 in total) which made my system trash
> like hell. You might try doing the following to reproduce the effect:
> 
>  $ echo 1 > /proc/sys/vm/drop_caches
>  $ vmstat                            # write down the result
>  $ du -s -x /lots/of/files           # keep it running for a minute
>  $ echo 1 > /proc/sys/vm/drop_caches
>  $ vmstat                            # write it down too

RTFM: Documentation/filesystems/proc.txt
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