linux-kernel - Re: [patch 1/2] mm, counters: remove task argument to sync_mm_rss and __sync_task_rss

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Message-Id: <20120308144053.16be5221.kamezawa.hiroyu@jp.fujitsu.com>
Date:	Thu, 8 Mar 2012 14:40:53 +0900
From:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
To:	David Rientjes <rientjes@...gle.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [patch 1/2] mm, counters: remove task argument to sync_mm_rss
 and __sync_task_rss_stat

On Tue, 6 Mar 2012 19:21:39 -0800 (PST)
David Rientjes <rientjes@...gle.com> wrote:

> sync_mm_rss() can only be used for current to avoid race conditions in
> iterating and clearing its per-task counters.  Remove the task argument
> for it and its helper function, __sync_task_rss_stat(), to avoid thinking
> it can be used safely for anything other than current.
> 
> Signed-off-by: David Rientjes <rientjes@...gle.com>

Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>

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