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Message-ID: <43DDAE2D.6080300@namesys.com>
Date: Sun, 29 Jan 2006 22:11:57 -0800
From: Hans Reiser <reiser@namesys.com>
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To: Chris Mason <mason@suse.com>
CC: Denis Vlasenko <vda@ilport.com.ua>, linux-kernel@vger.kernel.org,
       Reiserfs developers mail-list <Reiserfs-Dev@namesys.com>
Subject: Re: Recursive chmod/chown OOM kills box with 32MB RAM
References: <200601281613.16199.vda@ilport.com.ua> <200601281701.02533.vda@ilport.com.ua> <200601281811.35690.vda@ilport.com.ua>
In-Reply-To: <200601281811.35690.vda@ilport.com.ua>
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Chris, would Denis Vlasenko wrote:

>[CCing namesys]
>
>Narrowed it down to 100% reproducible case:
>
>	chown -Rc 0:<n> .
>
>in a top directory of tree containing ~21938 files
>on reiser3 partition:
>
>	/dev/sdc3 on /.3 type reiserfs (rw,noatime)
>
>causes oom kill storm. "ls -lR", "find ." etc work fine.
>
>I suspected that it is a leak in winbindd libnss module,
>but chown does not seem to grow larger in top, and also
>running it under softlimit -m 400000 still causes oom kills
>while chown's RSS stays below 4MB.
>--
>vda
>
>
>  
>
Chris, would you like to handle this?

Thanks,

Hans
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