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

From: Wen Congyang
Date: Fri Oct 19 2012 - 04:40:02 EST


At 10/19/2012 04:19 PM, Yasuaki Ishimatsu Wrote:
> 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.

Sorry, I don't check linux-next tree.

>
> 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

Hmm, I don't find this patch in this URL:
http://www.ozlabs.org/~akpm/mmotm/broken-out/

Do I miss something?

>
>>> 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

I split this patch to two patches according to kosaki's comment.

Thanks
Wen Congyang

>
> Thanks,
> Yasuaki Ishimatsu
>
>> Why did you send same patches again?
>>
>> Thanks,
>> Yasuaki Ishimatsu
>>
>> 2012/10/19 15:46, wency@xxxxxxxxxxxxxx wrote:
>>> From: Wen Congyang <wency@xxxxxxxxxxxxxx>
>>>
>>> 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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>
>
>

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