From: Rik van Riel <riel@redhat.com>
To: Johannes Weiner <hannes@cmpxchg.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Hugh Dickins <hugh.dickins@tiscali.co.uk>,
Mel Gorman <mel@csn.ul.ie>,
Lee Schermerhorn <Lee.Schermerhorn@hp.com>,
Peter Zijlstra <a.p.zijlstra@chello.nl>
Subject: Re: [patch] mm: order evictable rescue in LRU putback
Date: Wed, 07 Oct 2009 15:32:36 -0400 [thread overview]
Message-ID: <4ACCECD4.1050509@redhat.com> (raw)
In-Reply-To: <1254940610-27324-1-git-send-email-hannes@cmpxchg.org>
Johannes Weiner wrote:
> This patch adds an explicit full barrier to force ordering between
> SetPageLRU() and PageMlocked() so that either one of the competitors
> rescues the page.
>
> Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
> Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
> Cc: Hugh Dickins <hugh.dickins@tiscali.co.uk>
> Cc: Mel Gorman <mel@csn.ul.ie>
> Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Reviewed-by: Rik van Riel <riel@redhat.com>
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prev parent reply other threads:[~2009-10-07 19:33 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-07 18:36 Johannes Weiner
2009-10-07 19:32 ` Rik van Riel [this message]
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