linux-kernel - Re: [RFC PATCH 0/5] Support multiple pages allocation

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Date:	Wed, 3 Jul 2013 17:28:24 +0200
From:	Michal Hocko <mhocko@...e.cz>
To:	Joonsoo Kim <iamjoonsoo.kim@....com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Mel Gorman <mgorman@...e.de>,
	David Rientjes <rientjes@...gle.com>,
	Glauber Costa <glommer@...il.com>,
	Johannes Weiner <hannes@...xchg.org>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Rik van Riel <riel@...hat.com>,
	Hugh Dickins <hughd@...gle.com>,
	Minchan Kim <minchan@...nel.org>,
	Jiang Liu <jiang.liu@...wei.com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, Joonsoo Kim <js1304@...il.com>
Subject: Re: [RFC PATCH 0/5] Support multiple pages allocation

On Wed 03-07-13 17:34:15, Joonsoo Kim wrote:
[...]
> For one page allocation at once, this patchset makes allocator slower than
> before (-5%). 

Slowing down the most used path is a no-go. Where does this slow down
come from?

[...]
-- 
Michal Hocko
SUSE Labs
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