linux-kernel - Re: [PATCH 1/4] mm/writeback: correct dirty page calculation for highmem

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Message-ID: <87a8l8ybaw.fsf@linux.vnet.ibm.com>
Date:	Tue, 05 Apr 2016 09:08:47 +0530
From:	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>
To:	Joonsoo Kim <iamjoonsoo.kim@....com>,
	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Rik van Riel <riel@...hat.com>,
	Johannes Weiner <hannes@...xchg.org>,
	Mel Gorman <mgorman@...e.de>,
	Laura Abbott <lauraa@...eaurora.org>,
	Minchan Kim <minchan@...nel.org>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Michal Nazarewicz <mina86@...a86.com>,
	Vlastimil Babka <vbabka@...e.cz>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/4] mm/writeback: correct dirty page calculation for highmem

Joonsoo Kim <iamjoonsoo.kim@....com> writes:

> [ text/plain ]
> On Fri, Apr 01, 2016 at 11:10:07AM +0900, js1304@...il.com wrote:
>> From: Joonsoo Kim <iamjoonsoo.kim@....com>
>> 
>> ZONE_MOVABLE could be treated as highmem so we need to consider it for
>> accurate calculation of dirty pages. And, in following patches, ZONE_CMA
>> will be introduced and it can be treated as highmem, too. So, instead of
>> manually adding stat of ZONE_MOVABLE, looping all zones and check whether
>> the zone is highmem or not and add stat of the zone which can be treated
>> as highmem.
>> 
>> Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@....com>
>> ---
>>  mm/page-writeback.c | 8 ++++++--
>>  1 file changed, 6 insertions(+), 2 deletions(-)
>
> Hello, Andrew.
>
> Could you review and merge these simple fixup and cleanup patches?
> I'd like to send ZONE_CMA patchset v2 based on linux-next after this
> series is merged to linux-next.
>

I searched with ZONE_HIGHMEM and AFAICS this series do handle all the
highmem path.

For the series:
Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@...ux.vnet.ibm.com>

-aneesh