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Date: Mon, 24 Jan 2011 12:16:59 -0500
From: Rik van Riel <riel@redhat.com>
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Subject: Re: [patch v2] mm: fix deferred congestion timeout if preferred zone
 is not allowed
References: <alpine.DEB.2.00.1101172108380.29048@chino.kir.corp.google.com> <alpine.DEB.2.00.1101231429300.371@chino.kir.corp.google.com>
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To: David Rientjes <rientjes@google.com>
Cc: Andrew Morton <akpm@linux-foundation.org>, Mel Gorman <mel@csn.ul.ie>, Johannes Weiner <hannes@cmpxchg.org>, Minchan Kim <minchan.kim@gmail.com>, Wu Fengguang <fengguang.wu@intel.com>, KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>, KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>, Jens Axboe <axboe@kernel.dk>, linux-mm@kvack.org
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On 01/23/2011 05:30 PM, David Rientjes wrote:

> This patch also ensures preferred_zone is from the set of allowed nodes
> when called from within direct reclaim since allocations are always
> constrained by cpusets in this context (it is blockable).
>
> Both of these uses of cpuset_current_mems_allowed are protected by
> get_mems_allowed().
>
> Signed-off-by: David Rientjes<rientjes@google.com>

Acked-by: Rik van Riel <riel@redhat.com>

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