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Date: Mon, 5 Aug 2013 14:30:28 -0400
From: Johannes Weiner <hannes@cmpxchg.org>
Subject: Re: [PATCH 1/9] mm: zone_reclaim: remove ZONE_RECLAIM_LOCKED
Message-ID: <20130805183028.GA1845@cmpxchg.org>
References: <1375459596-30061-1-git-send-email-aarcange@redhat.com>
 <1375459596-30061-2-git-send-email-aarcange@redhat.com>
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To: Andrea Arcangeli <aarcange@redhat.com>
Cc: linux-mm@kvack.org, Johannes Weiner <jweiner@redhat.com>, Mel Gorman <mgorman@suse.de>, Rik van Riel <riel@redhat.com>, Hugh Dickins <hughd@google.com>, Richard Davies <richard@arachsys.com>, Shaohua Li <shli@kernel.org>, Rafael Aquini <aquini@redhat.com>, Andrew Morton <akpm@linux-foundation.org>, Hush Bensen <hush.bensen@gmail.com>

On Fri, Aug 02, 2013 at 06:06:28PM +0200, Andrea Arcangeli wrote:
> Zone reclaim locked breaks zone_reclaim_mode=1. If more than one
> thread allocates memory at the same time, it forces a premature
> allocation into remote NUMA nodes even when there's plenty of clean
> cache to reclaim in the local nodes.
> 
> Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
> Reviewed-by: Rik van Riel <riel@redhat.com>
> Acked-by: Rafael Aquini <aquini@redhat.com>
> Acked-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>

Acked-by: Johannes Weiner <hannes@cmpxchg.org>

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