linux-kernel - Re: [PATCH v1 19/19] zram: use __GFP

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Date:	Tue, 15 Mar 2016 15:56:33 +0900
From:	Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
To:	Minchan Kim <minchan@...nel.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, jlayton@...chiereds.net,
	bfields@...ldses.org, Vlastimil Babka <vbabka@...e.cz>,
	Joonsoo Kim <iamjoonsoo.kim@....com>, koct9i@...il.com,
	aquini@...hat.com, virtualization@...ts.linux-foundation.org,
	Mel Gorman <mgorman@...e.de>, Hugh Dickins <hughd@...gle.com>,
	Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
	rknize@...orola.com, Rik van Riel <riel@...hat.com>,
	Gioh Kim <gurugio@...mail.net>
Subject: Re: [PATCH v1 19/19] zram: use __GFP_MOVABLE for memory allocation

On (03/11/16 16:30), Minchan Kim wrote:
[..]
> init
> Node 0, zone      DMA    208    120     51     41     11      0      0      0      0      0      0
> Node 0, zone    DMA32  16380  13777   9184   3805    789     54      3      0      0      0      0
> compaction
> Node 0, zone      DMA    132     82     40     39     16      2      1      0      0      0      0
> Node 0, zone    DMA32   5219   5526   4969   3455   1831    677    139     15      0      0      0
> 
> new:
> 
> init
> Node 0, zone      DMA    379    115     97     19      2      0      0      0      0      0      0
> Node 0, zone    DMA32  18891  16774  10862   3947    637     21      0      0      0      0      0
> compaction  1
> Node 0, zone      DMA    214     66     87     29     10      3      0      0      0      0      0
> Node 0, zone    DMA32   1612   3139   3154   2469   1745    990    384     94      7      0      0
> 
> As you can see, compaction made so many high-order pages. Yay!
> 
> Signed-off-by: Minchan Kim <minchan@...nel.org>

Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@...il.com>

	-ss