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Date:	Wed, 11 Jun 2014 11:38:30 +0800
From:	Zhang Yanfei <zhangyanfei@...fujitsu.com>
To:	Minchan Kim <minchan@...nel.org>
CC:	Vlastimil Babka <vbabka@...e.cz>,
	David Rientjes <rientjes@...gle.com>, <linux-mm@...ck.org>,
	<linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Greg Thelen <gthelen@...gle.com>, Mel Gorman <mgorman@...e.de>,
	Joonsoo Kim <iamjoonsoo.kim@....com>,
	Michal Nazarewicz <mina86@...a86.com>,
	Naoya Horiguchi <n-horiguchi@...jp.nec.com>,
	Christoph Lameter <cl@...ux.com>,
	Rik van Riel <riel@...hat.com>
Subject: Re: [PATCH 07/10] mm: rename allocflags_to_migratetype for clarity

On 06/11/2014 10:41 AM, Minchan Kim wrote:
> On Mon, Jun 09, 2014 at 11:26:19AM +0200, Vlastimil Babka wrote:
>> From: David Rientjes <rientjes@...gle.com>
>>
>> The page allocator has gfp flags (like __GFP_WAIT) and alloc flags (like
>> ALLOC_CPUSET) that have separate semantics.
>>
>> The function allocflags_to_migratetype() actually takes gfp flags, not alloc
>> flags, and returns a migratetype.  Rename it to gfpflags_to_migratetype().
>>
>> Signed-off-by: David Rientjes <rientjes@...gle.com>
>> Signed-off-by: Vlastimil Babka <vbabka@...e.cz>
> 
> I was one of person who got confused sometime.

Some names in MM really make people confused. But sometimes thinking
an appropriate name is also a hard thing. Like I once wanted to change
the name of function nr_free_zone_pages() and also nr_free_buffer_pages().
But it is hard to name them, so at last Andrew suggested to add the
detailed function description to make it clear only.

Reviewed-by: Zhang Yanfei <zhangyanfei@...fujitsu.com>

> 
> Acked-by: Minchan Kim <minchan@...nel.org>
> 


-- 
Thanks.
Zhang Yanfei
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