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From: Tejun Heo <tj@kernel.org>
To: Sonic Zhang <sonic.adi@gmail.com>
Cc: graff yang <graff.yang@gmail.com>,
	dhowells@redhat.com, linux-kernel@vger.kernel.org,
	akpm@linux-foundation.org,
	uclinux-dist-devel@blackfin.uclinux.org
Subject: Re: [PATCH] mm/nommu.c:Dynamic alloc/free percpu area for nommu
Date: Fri, 09 Apr 2010 08:33:13 +0900	[thread overview]
Message-ID: <4BBE67B9.9050700@kernel.org> (raw)
In-Reply-To: <x2p4e5ebad51004080240nc3f5846am27fa259debf04302@mail.gmail.com>

Hello,

On 04/08/2010 06:40 PM, Sonic Zhang wrote:
> There is memory leak with you patch. Free memory continuously
> decreases when running test_pcpu. After about 30 minutes, kernel hangs
> in out_of_memory().
> 
> root/> while [ 1 ]; do modprobe test_pcpu; rmmod test_pcpu; cat
> proc/meminfo; done

Yeap, chunk->map wasn't freed in the original version.  In the updated
split version I posted yesterday, it's fixed.  Can you please test
that code?

Thanks.

-- 
tejun

  reply	other threads:[~2010-04-08 23:30 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-03-19  9:02 [PATCH] mm/nommu.c:Dynamic alloc/free percpu area for nommu graff.yang
2010-03-20  4:06 ` Tejun Heo
2010-03-22  2:33   ` graff yang
2010-04-01 10:20     ` Tejun Heo
2010-04-06  9:28       ` Sonic Zhang
2010-04-08  2:43         ` Tejun Heo
2010-04-08  9:40           ` Sonic Zhang
2010-04-08 23:33             ` Tejun Heo [this message]
2010-03-22  4:14   ` [Uclinux-dist-devel] [PATCH] mm/nommu.c:Dynamic alloc/freepercpu " Zhang, Sonic
2010-03-22 11:50 ` [PATCH] mm/nommu.c:Dynamic alloc/free percpu " David Howells
2010-03-23  2:33   ` graff yang

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