linux-kernel - Re: [RFC PATCH 1/5] mm, page_alloc: support multiple pages allocation

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Message-ID: <0000013fa540f411-a89dd4a2-0fc9-428d-ad1e-5fa032413911-000000@email.amazonses.com>
Date:	Wed, 3 Jul 2013 15:57:45 +0000
From:	Christoph Lameter <cl@...ux.com>
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 1/5] mm, page_alloc: support multiple pages
 allocation

On Wed, 3 Jul 2013, Joonsoo Kim wrote:

> @@ -298,13 +298,15 @@ static inline void arch_alloc_page(struct page *page, int order) { }
>
>  struct page *
>  __alloc_pages_nodemask(gfp_t gfp_mask, unsigned int order,
> -		       struct zonelist *zonelist, nodemask_t *nodemask);
> +		       struct zonelist *zonelist, nodemask_t *nodemask,
> +		       unsigned long *nr_pages, struct page **pages);
>

Add a separate function for the allocation of multiple pages instead?
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