linux-kernel - Re: [PATCH v3 0/9] bugfix for memory hotplug

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Date:	Fri, 19 Oct 2012 17:19:32 +0900
From:	Yasuaki Ishimatsu <isimatu.yasuaki@...fujitsu.com>
To:	<wency@...fujitsu.com>
CC:	<linux-mm@...ck.org>, <linux-kernel@...r.kernel.org>,
	<rientjes@...gle.com>, <liuj97@...il.com>, <len.brown@...el.com>,
	<benh@...nel.crashing.org>, <paulus@...ba.org>,
	<minchan.kim@...il.com>, <akpm@...ux-foundation.org>,
	<kosaki.motohiro@...fujitsu.com>
Subject: Re: [PATCH v3 0/9] bugfix for memory hotplug

2012/10/19 17:06, Yasuaki Ishimatsu wrote:
> Hi Wen,
> 
> Some bug fix patches have been merged into linux-next.
> So the patches confuse me.

The following patches have been already merged into linux-next
and mm-tree as long as I know. 

>> Wen Congyang (6):
>>     clear the memory to store struct page


>>     memory-hotplug: skip HWPoisoned page when offlining pages

mm-tree

>>     memory-hotplug: update mce_bad_pages when removing the memory

>>     memory-hotplug: auto offline page_cgroup when onlining memory block
>>       failed

mm-tree

>>     memory-hotplug: fix NR_FREE_PAGES mismatch

mm-tree

>>     memory-hotplug: allocate zone's pcp before onlining pages

mm-tree

>>
>> Yasuaki Ishimatsu (3):
>>     suppress "Device memoryX does not have a release() function" warning

linux-next

>>     suppress "Device nodeX does not have a release() function" warning
>>     memory-hotplug: flush the work for the node when the node is offlined

linux-next

Thanks,
Yasuaki Ishimatsu

> Why did you send same patches again?
> 
> Thanks,
> Yasuaki Ishimatsu
> 
> 2012/10/19 15:46, wency@...fujitsu.com wrote:
>> From: Wen Congyang <wency@...fujitsu.com>
>>
>> Changes from v2 to v3:
>>     Merge the bug fix from ishimatsu to this patchset(Patch 1-3)
>>     Patch 3: split it from patch as it fixes another bug.
>>     Patch 4: new patch, and fix bad-page state when hotadding a memory
>>              device after hotremoving it. I forgot to post this patch in v2.
>>     Patch 6: update it according to Dave Hansen's comment.
>>
>> Changes from v1 to v2:
>>     Patch 1: updated according to kosaki's suggestion
>>
>>     Patch 2: new patch, and update mce_bad_pages when removing memory.
>>
>>     Patch 4: new patch, and fix a NR_FREE_PAGES mismatch, and this bug
>>              cause oom in my test.
>>
>>     Patch 5: new patch, and fix a new bug. When repeating to online/offline
>>              pages, the free pages will continue to decrease.
>>
>> Wen Congyang (6):
>>     clear the memory to store struct page
>>     memory-hotplug: skip HWPoisoned page when offlining pages
>>     memory-hotplug: update mce_bad_pages when removing the memory
>>     memory-hotplug: auto offline page_cgroup when onlining memory block
>>       failed
>>     memory-hotplug: fix NR_FREE_PAGES mismatch
>>     memory-hotplug: allocate zone's pcp before onlining pages
>>
>> Yasuaki Ishimatsu (3):
>>     suppress "Device memoryX does not have a release() function" warning
>>     suppress "Device nodeX does not have a release() function" warning
>>     memory-hotplug: flush the work for the node when the node is offlined
>>
>>    drivers/base/memory.c          |    9 ++++++++-
>>    drivers/base/node.c            |   11 +++++++++++
>>    include/linux/page-isolation.h |   10 ++++++----
>>    mm/memory-failure.c            |    2 +-
>>    mm/memory_hotplug.c            |   14 ++++++++------
>>    mm/page_alloc.c                |   37 ++++++++++++++++++++++++++++---------
>>    mm/page_cgroup.c               |    3 +++
>>    mm/page_isolation.c            |   27 ++++++++++++++++++++-------
>>    mm/sparse.c                    |   22 +++++++++++++++++++++-
>>    9 files changed, 106 insertions(+), 29 deletions(-)
>>
> 
> 
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