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Date: Mon, 11 Jul 2016 15:20:15 -0700
From: Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH] mm, vmscan: Give up balancing node for high order
 allocations earlier
Message-Id: <20160711152015.e3be8be7702fb0ca4625040d@linux-foundation.org>
In-Reply-To: <00ed01d1d1c8$fcb12ff0$f6138fd0$@alibaba-inc.com>
References: <00ed01d1d1c8$fcb12ff0$f6138fd0$@alibaba-inc.com>
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Sender: owner-linux-mm@kvack.org
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To: Hillf Danton <hillf.zj@alibaba-inc.com>
Cc: 'Mel Gorman' <mgorman@techsingularity.net>, 'Johannes Weiner' <hannes@cmpxchg.org>, 'Vlastimil Babka' <vbabka@suse.cz>, 'linux-kernel' <linux-kernel@vger.kernel.org>, linux-mm@kvack.org

On Wed, 29 Jun 2016 13:42:12 +0800 "Hillf Danton" <hillf.zj@alibaba-inc.com> wrote:

> To avoid excessive reclaim, we give up rebalancing for high order 
> allocations right after reclaiming enough pages.

hm.  What are the observed runtime effects of this change?  Any testing
results?

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