linux-kernel - Re: [PATCH v3 3/5] page_alloc: Introduce zone_movable

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Date:	Wed, 12 Dec 2012 18:32:13 +0800
From:	Tang Chen <tangchen@...fujitsu.com>
To:	Simon Jeons <simon.jeons@...il.com>
CC:	Jiang Liu <jiang.liu@...wei.com>,
	Jianguo Wu <wujianguo@...wei.com>, hpa@...or.com,
	akpm@...ux-foundation.org, wency@...fujitsu.com,
	laijs@...fujitsu.com, linfeng@...fujitsu.com, yinghai@...nel.org,
	isimatu.yasuaki@...fujitsu.com, rob@...dley.net,
	kosaki.motohiro@...fujitsu.com, minchan.kim@...il.com,
	mgorman@...e.de, rientjes@...gle.com, rusty@...tcorp.com.au,
	lliubbo@...il.com, jaegeuk.hanse@...il.com, tony.luck@...el.com,
	glommer@...allels.com, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org, linux-doc@...r.kernel.org
Subject: Re: [PATCH v3 3/5] page_alloc: Introduce zone_movable_limit[] to
 keep movable limit for nodes

Hi Simon,

On 12/12/2012 05:29 PM, Simon Jeons wrote:
>
> Thanks for your clarify.
>
> Enable PAE on x86 32bit kernel, 8G memory, movablecore=6.5G

Could you please provide more info ?

Such as the whole kernel commondline. And did this happen after
you applied these patches ? What is the output without these
patches ?

Thanks. :)

>>
>> [    0.000000] 8304MB HIGHMEM available.
>> [    0.000000] 885MB LOWMEM available.
>> [    0.000000]   mapped low ram: 0 - 375fe000
>> [    0.000000]   low ram: 0 - 375fe000
>> [    0.000000] Zone ranges:
>> [    0.000000]   DMA      [mem 0x00010000-0x00ffffff]
>> [    0.000000]   Normal   [mem 0x01000000-0x375fdfff]
>> [    0.000000]   HighMem  [mem 0x375fe000-0x3e5fffff]
>> [    0.000000] Movable zone start for each node
>> [    0.000000] Early memory node ranges
>> [    0.000000]   node   0: [mem 0x00010000-0x0009cfff]
>> [    0.000000]   node   0: [mem 0x00100000-0x1fffffff]
>> [    0.000000]   node   0: [mem 0x20200000-0x3fffffff]
>> [    0.000000]   node   0: [mem 0x40200000-0xb69cbfff]
>> [    0.000000]   node   0: [mem 0xb6a46000-0xb6a47fff]
>> [    0.000000]   node   0: [mem 0xb6b1c000-0xb6cfffff]
>> [    0.000000]   node   0: [mem 0x00000000-0x3e5fffff]
>> [    0.000000] On node 0 totalpages: 2051391
>> [    0.000000] free_area_init_node: node 0, pgdat c0c26a80,
>> node_mem_map
>> f19de200
>> [    0.000000]   DMA zone: 32 pages used for memmap
>> [    0.000000]   DMA zone: 0 pages reserved
>> [    0.000000]   DMA zone: 3949 pages, LIFO batch:0
>> [    0.000000]   Normal zone: 1740 pages used for memmap
>> [    0.000000]   Normal zone: 220466 pages, LIFO batch:31
>> [    0.000000]   HighMem zone: 16609 pages used for memmap
>> [    0.000000]   HighMem zone: 1808595 pages, LIFO batch:31
>
> Why zone movable disappear?
>
>
>
>

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