Re: [PATCH 1/5] oom: select_bad_process: check PF_KTHREAD insteadof !mm to skip kthreads

[KAMEZAWA Hiroyuki]

On Mon, 31 May 2010 18:33:06 +0900 (JST)
KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx> wrote:

> From: Oleg Nesterov <oleg@xxxxxxxxxx>
> Subject: oom: select_bad_process: check PF_KTHREAD instead of !mm to skip kthreads
> 
> 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>
> Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>

Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>

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