linux-kernel - Re: [PATCH 2/9] mm: alloc_contig_freed

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Message-ID: <op.v394luhl3l0zgt@mpn-glaptop>
Date:	Tue, 01 Nov 2011 19:06:56 +0100
From:	"Michal Nazarewicz" <mina86@...a86.com>
To:	"Mel Gorman" <mel@....ul.ie>
Cc:	"Marek Szyprowski" <m.szyprowski@...sung.com>,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-media@...r.kernel.org, linux-mm@...ck.org,
	linaro-mm-sig@...ts.linaro.org,
	"Kyungmin Park" <kyungmin.park@...sung.com>,
	"Russell King" <linux@....linux.org.uk>,
	"Andrew Morton" <akpm@...ux-foundation.org>,
	"KAMEZAWA Hiroyuki" <kamezawa.hiroyu@...fujitsu.com>,
	"Ankita Garg" <ankita@...ibm.com>,
	"Daniel Walker" <dwalker@...eaurora.org>,
	"Arnd Bergmann" <arnd@...db.de>,
	"Jesse Barker" <jesse.barker@...aro.org>,
	"Jonathan Corbet" <corbet@....net>,
	"Shariq Hasnain" <shariq.hasnain@...aro.org>,
	"Chunsang Jeong" <chunsang.jeong@...aro.org>,
	"Dave Hansen" <dave@...ux.vnet.ibm.com>
Subject: Re: [PATCH 2/9] mm: alloc_contig_freed_pages() added

On Tue, 01 Nov 2011 16:04:48 +0100, Mel Gorman <mel@....ul.ie> wrote:
> For the purposes of review, have a separate patch for moving
> isolate_freepages_block to another file that does not alter the
> function in any way. When the function is updated in a follow-on patch,
> it'll be far easier to see what has changed.

Will do.

> page_isolation.c may also be a better fit than page_alloc.c

Since isolate_freepages_block() is the only user of split_free_page(),
would it make sense to move split_free_page() to page_isolation.c as
well?  I sort of like the idea of making it static and removing from
header file.

> I confess I didn't read closely because of the mess in page_alloc.c but
> the intent seems fine.

No worries.  I just needed for a quick comment whether I'm headed the right
direction. :)

> Hopefully there will be a new version of CMA posted that will be easier
> to review.

I'll try and create the code no latter then on the weekend so hopefully
the new version will be sent next week.

-- 
Best regards,                                         _     _
.o. | Liege of Serenely Enlightened Majesty of      o' \,=./ `o
..o | Computer Science,  Michał “mina86” Nazarewicz    (o o)
ooo +----<email/xmpp: mpn@...gle.com>--------------ooO--(_)--Ooo--
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