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From: Vlastimil Babka <vbabka@suse.cz>
To: Changsheng Liu <liuchangsheng@inspur.com>,
	Yasuaki Ishimatsu <yasu.isimatu@gmail.com>,
	Andrew Morton <akpm@linux-foundation.org>
Cc: isimatu.yasuaki@jp.fujitsu.com, linux-mm@kvack.org,
	linux-kernel@vger.kernel.org, yanxiaofeng@inspur.com,
	Changsheng Liu <liuchangcheng@inspur.com>
Subject: Re: [PATCH] Memory hot added,The memory can not been added to movable zone
Date: Wed, 26 Aug 2015 08:12:40 +0200	[thread overview]
Message-ID: <55DD58D8.1090508@suse.cz> (raw)
In-Reply-To: <55DD0A1B.4090700@inspur.com>

On 26.8.2015 2:36, Changsheng Liu wrote:
> 
> 
> a?? 2015/8/25 19:13, Vlastimil Babka a??e??:
>> On 08/25/2015 12:25 PM, Changsheng Liu wrote:
>>> Thanks very much for your review, I can move the memory from normal zone
>>> to movable zone succesfully.
>>> And thank you for let me understand the memory mechanism better.
>>> a?? 2015/8/25 3:15, Yasuaki Ishimatsu a??e??:
>>
>> So you agree to drop the patch from -mm?
>      The system add memory to normal zone defaultly so that it can be 
> used by kernel and then we can not move the memory to movable zone.
>      The patch can add the memory to movable zone directlly.

I thought that you confirmed that the following works?
echo online_movable > /sys/devices/system/memory/memoryXXX/state

If you want it to be the default, there's the node_movable kernel boot option.
Does it work for you?

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  reply	other threads:[~2015-08-26  6:12 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-08-19  8:18 [PATCH] Memory hot added,The memory can not been added to movable zone Changsheng Liu
2015-08-19 23:50 ` Andrew Morton
2015-08-20  5:59   ` Changsheng Liu
2015-08-20  6:12   ` Changsheng Liu
2015-08-20  6:15   ` Changsheng Liu
2015-08-24 19:15     ` Yasuaki Ishimatsu
2015-08-25 10:25       ` Changsheng Liu
2015-08-25 11:13         ` Vlastimil Babka
2015-08-25 11:49           ` Changsheng Liu
2015-08-26  0:36           ` Changsheng Liu
2015-08-26  6:12             ` Vlastimil Babka [this message]
2015-08-26  7:53               ` Changsheng Liu

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