linux-kernel - Re: [Linaro-mm-sig] [PATCHv21 12/16] mm: trigger page reclaim in alloc_contig

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Date:	Mon, 13 Feb 2012 15:37:25 -0600
From:	Robert Nelson <robertcnelson@...il.com>
To:	Michal Nazarewicz <mina86@...a86.com>
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, Ohad Ben-Cohen <ohad@...ery.com>,
	Daniel Walker <dwalker@...eaurora.org>,
	Russell King <linux@....linux.org.uk>,
	Arnd Bergmann <arnd@...db.de>,
	Jonathan Corbet <corbet@....net>, Mel Gorman <mel@....ul.ie>,
	Dave Hansen <dave@...ux.vnet.ibm.com>,
	Jesse Barker <jesse.barker@...aro.org>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Rob Clark <rob.clark@...aro.org>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Subject: Re: [Linaro-mm-sig] [PATCHv21 12/16] mm: trigger page reclaim in
 alloc_contig_range() to stabilise watermarks

2012/2/13 Michal Nazarewicz <mina86@...a86.com>:
>>> On Fri, Feb 10, 2012 at 11:32 AM, Marek Szyprowski
>>>>
>>>> +static int __reclaim_pages(struct zone *zone, gfp_t gfp_mask, int
>>>> count)
>>>>
>>>> +{
>>>> +       enum zone_type high_zoneidx = gfp_zone(gfp_mask);
>>>> +       struct zonelist *zonelist = node_zonelist(0, gfp_mask);
>>>> +       int did_some_progress = 0;
>>>> +       int order = 1;
>>>> +       unsigned long watermark;
>>>> +
>>>> +       /*
>>>> +        * Increase level of watermarks to force kswapd do his job
>>>> +        * to stabilise at new watermark level.
>>>> +        */
>>>> +       __modify_min_cma_pages(zone, count);
>
>
>> 2012/2/13 Michal Nazarewicz <mina86@...a86.com>:
>>
>>> This should read __update_cma_wmark_pages().  Sorry for the incorrect
>>> patch.
>
>
> On Mon, 13 Feb 2012 13:15:13 -0800, Robert Nelson <robertcnelson@...il.com>
> wrote:
>>
>> Thanks Michal, that fixed it..
>
>
> You are most welcome.
>
>
>> cma-v21 with Rob Clark's omapdrm works great on the Beagle xM..
>
>
> Can we take that as:
>
> Tested-by: Robert Nelson <robertcnelson@...il.com>
>
> ? ;)

Oh, of course:

Tested-by: Robert Nelson <robertcnelson@...il.com>

Regards,

-- 
Robert Nelson
http://www.rcn-ee.com/
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