linux-kernel - Re: [PATCH 3/6] change alloc function in alloc_slab

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Message-ID: <s2x84144f021004140523t3092f6cbge410ab4e15afac3e@mail.gmail.com>
Date:	Wed, 14 Apr 2010 15:23:27 +0300
From:	Pekka Enberg <penberg@...helsinki.fi>
To:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Cc:	Minchan Kim <minchan.kim@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Mel Gorman <mel@....ul.ie>, Bob Liu <lliubbo@...il.com>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	Christoph Lameter <cl@...ux-foundation.org>
Subject: Re: [PATCH 3/6] change alloc function in alloc_slab_page

On Wed, Apr 14, 2010 at 3:18 AM, KAMEZAWA Hiroyuki
<kamezawa.hiroyu@...fujitsu.com> wrote:
> On Wed, 14 Apr 2010 00:25:00 +0900
> Minchan Kim <minchan.kim@...il.com> wrote:
>
>> alloc_slab_page never calls alloc_pages_node with -1.
>> It means node's validity check is unnecessary.
>> So we can use alloc_pages_exact_node instead of alloc_pages_node.
>> It could avoid comparison and branch as 6484eb3e2a81807722 tried.
>>
>> Cc: Christoph Lameter <cl@...ux-foundation.org>
>> Signed-off-by: Minchan Kim <minchan.kim@...il.com>
>
> Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>

Minchan, care to send a v2 with proper changelog and reviewed-by attributions?
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