linux-kernel - Re: [PATCH v2] oom: fix integer overflow of points in oom

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Message-ID: <20111031174238.GA7344@redhat.com>
Date:	Mon, 31 Oct 2011 18:42:38 +0100
From:	Oleg Nesterov <oleg@...hat.com>
To:	Frantisek Hrbata <fhrbata@...hat.com>
Cc:	rientjes@...gle.com, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
	kosaki.motohiro@...fujitsu.com, minchan.kim@...il.com,
	stable@...nel.org, eteo@...hat.com, pmatouse@...hat.com
Subject: Re: [PATCH v2] oom: fix integer overflow of points in oom_badness

On 10/31, Frantisek Hrbata wrote:
>
>  unsigned int oom_badness(struct task_struct *p, struct mem_cgroup *mem,
>  		      const nodemask_t *nodemask, unsigned long totalpages)
>  {
> -	int points;
> +	long points;

Good catch. Imho this is the stable material.

Acked-by: Oleg Nesterov <oleg@...hat.com>

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