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From: "Russ Cox" <rsc@swtch.com>
To: "Miklos Szeredi" <miklos@szeredi.hu>
Cc: akpm@linux-foundation.org, linux-fsdevel@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] fix quadratic behavior of shrink_dcache_parent()
Date: Sat, 10 Feb 2007 07:57:46 -0500	[thread overview]
Message-ID: <ee9e417a0702100457s6ed2c6a3sd5cc45a21db69876@mail.gmail.com> (raw)
In-Reply-To: <E1HFnsK-0007Ep-00@dorka.pomaz.szeredi.hu>

> Unfortunately this patch doesn't completely solve this problem, since
> the system will still be hosed due to all memory being used up by
> dentries.  And I bet the OOM killer won't find the real target (du)
> but will kill anything before that.
>
> So the second part of the problem is to somehow limit the number of
> dentries used.  Not easy...

At least with this patch (if I am reading it correctly), once the offending
culprit is identified and the programs are killed off, everything will go
back to normal without a reboot.

Russ

  parent reply	other threads:[~2007-02-10 12:57 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-09 22:01 [PATCH] fix quadratic behavior of shrink_dcache_parent() Miklos Szeredi
2007-02-10  0:00 ` Andrew Morton
2007-02-10  0:23   ` Russ Cox
2007-02-10  0:40     ` Andrew Morton
2007-02-10  8:46     ` Miklos Szeredi
2007-02-10 10:51       ` Andi Kleen
2007-02-10 12:57       ` Russ Cox [this message]
2007-02-11 12:13         ` Miklos Szeredi

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