linux-kernel - Re: [PATCH V2 1/2] mm: hotplug: implement non-movable version of get_user_pages() called get_user_pages_non

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Date:	Wed, 20 Feb 2013 20:39:02 +0800
From:	Lin Feng <linfeng@...fujitsu.com>
To:	Wanpeng Li <liwanp@...ux.vnet.ibm.com>
CC:	akpm@...ux-foundation.org, mgorman@...e.de, bcrl@...ck.org,
	viro@...iv.linux.org.uk, khlebnikov@...nvz.org, walken@...gle.com,
	kamezawa.hiroyu@...fujitsu.com, minchan@...nel.org,
	riel@...hat.com, rientjes@...gle.com,
	isimatu.yasuaki@...fujitsu.com, wency@...fujitsu.com,
	laijs@...fujitsu.com, jiang.liu@...wei.com, zab@...hat.com,
	jmoyer@...hat.com, linux-mm@...ck.org, linux-aio@...ck.org,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH V2 1/2] mm: hotplug: implement non-movable version of
 get_user_pages() called get_user_pages_non_movable()

Hi  Wanpeng,

On 02/20/2013 07:37 PM, Wanpeng Li wrote:
>> + * This function first calls get_user_pages() to get the candidate pages, and
>> >+ * then check to ensure all pages are from non movable zone. Otherwise migrate
> How about "Otherwise migrate candidate pages which have already been 
> isolated to non movable zone."?
> 

Which is just what the code does, I'm feeling that it's too detailed to be proper :(
Do we have to comment it like that detailedly?

thanks,
linfeng
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