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

From: Yasuaki Ishimatsu
Date: Fri Oct 19 2012 - 04:06:38 EST


Hi Wen,

Some bug fix patches have been merged into linux-next.
So the patches confuse me.
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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