Re: [PATCH -mm 1/4] oom: select_bad_process: check PF_KTHREAD instead of !mm to skip kthreads

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To: Oleg Nesterov <oleg@xxxxxxxxxx>
Subject: Re: [PATCH -mm 1/4] oom: select_bad_process: check PF_KTHREAD instead of !mm to skip kthreads
From: David Rientjes <rientjes@xxxxxxxxxx>
Date: Fri, 2 Apr 2010 12:05:56 -0700 (PDT)
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, anfei <anfei.zhou@xxxxxxxxx>, KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>, nishimura@xxxxxxxxxxxxxxxxx, KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>, Mel Gorman <mel@xxxxxxxxx>, linux-mm@xxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
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In-reply-to: <20100402183132.GB31723@xxxxxxxxxx>
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On Fri, 2 Apr 2010, Oleg Nesterov wrote:

> select_bad_process() thinks a kernel thread can't have ->mm != NULL,
> this is not true due to use_mm().
> 
> Change the code to check PF_KTHREAD.
> 
> Signed-off-by: Oleg Nesterov <oleg@xxxxxxxxxx>

Acked-by: David Rientjes <rientjes@xxxxxxxxxx>

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References:
- [patch] oom: give current access to memory reserves if it has been killed
  - From: David Rientjes
- Re: [patch] oom: give current access to memory reserves if it has been killed
  - From: Oleg Nesterov
- Re: [patch] oom: give current access to memory reserves if it has been killed
  - From: David Rientjes
- Re: [patch] oom: give current access to memory reserves if it has been killed
  - From: Oleg Nesterov
- Re: [patch] oom: give current access to memory reserves if it has been killed
  - From: Oleg Nesterov
- Re: [patch] oom: give current access to memory reserves if it has been killed
  - From: David Rientjes
- Re: [patch] oom: give current access to memory reserves if it has been killed
  - From: Oleg Nesterov
- Re: [patch] oom: give current access to memory reserves if it has been killed
  - From: David Rientjes
- Re: [patch] oom: give current access to memory reserves if it has been killed
  - From: Oleg Nesterov
- [PATCH -mm 0/4] oom: linux has threads
  - From: Oleg Nesterov
- [PATCH -mm 1/4] oom: select_bad_process: check PF_KTHREAD instead of !mm to skip kthreads
  - From: Oleg Nesterov

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