[PATCH v3 0/9] bugfix for memory hotplug

From: wency
Date: Fri Oct 19 2012 - 02:41:32 EST

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
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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