From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
To: David Rientjes <rientjes@google.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [patch 1/2] mm, counters: remove task argument to sync_mm_rss and __sync_task_rss_stat
Date: Thu, 8 Mar 2012 14:40:53 +0900 [thread overview]
Message-ID: <20120308144053.16be5221.kamezawa.hiroyu@jp.fujitsu.com> (raw)
In-Reply-To: <alpine.DEB.2.00.1203061919260.21806@chino.kir.corp.google.com>
On Tue, 6 Mar 2012 19:21:39 -0800 (PST)
David Rientjes <rientjes@google.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@google.com>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
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prev parent reply other threads:[~2012-03-08 5:42 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-07 3:21 David Rientjes
2012-03-07 3:21 ` [patch 2/2] mm, counters: fold __sync_task_rss_stat into sync_mm_rss David Rientjes
2012-03-08 5:41 ` KAMEZAWA Hiroyuki
2012-03-08 1:11 ` [patch 1/2] mm, counters: remove task argument to sync_mm_rss and __sync_task_rss_stat Andrew Morton
2012-03-08 1:40 ` David Rientjes
2012-03-08 2:09 ` Andrew Morton
2012-03-08 5:40 ` KAMEZAWA Hiroyuki [this message]
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