linux-kernel - Re: [PATCH 2/4] mm, page_alloc: Split alloc_pages

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Message-ID: <022301d26c81$807332e0$815998a0$@alibaba-inc.com>
Date:   Thu, 12 Jan 2017 11:11:00 +0800
From:   "Hillf Danton" <hillf.zj@...baba-inc.com>
To:     "'Mel Gorman'" <mgorman@...hsingularity.net>,
        "'Jesper Dangaard Brouer'" <brouer@...hat.com>
Cc:     "'Linux Kernel'" <linux-kernel@...r.kernel.org>,
        "'Linux-MM'" <linux-mm@...ck.org>
Subject: Re: [PATCH 2/4] mm, page_alloc: Split alloc_pages_nodemask

On Tuesday, January 10, 2017 12:35 AM Mel Gorman wrote: 
> 
> alloc_pages_nodemask does a number of preperation steps that determine
> what zones can be used for the allocation depending on a variety of
> factors. This is fine but a hypothetical caller that wanted multiple
> order-0 pages has to do the preparation steps multiple times. This patch
> structures __alloc_pages_nodemask such that it's relatively easy to build
> a bulk order-0 page allocator. There is no functional change.
> 
> Signed-off-by: Mel Gorman <mgorman@...hsingularity.net>
> ---
Acked-by: Hillf Danton <hillf.zj@...baba-inc.com>