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| author |   Wen Congyang <wency@cn.fujitsu.com> | 2012-12-11 16:00:45 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2012-12-11 17:22:22 -0800 |
| commit | b023f46813cde6e3b8a8c24f432ff9c1fd8e9a64 (patch) | |
| tree | edac3509e7c44136450e20d7f9cc81de35926650 /mm/sparse.c | |
| parent | memory hotplug: suppress "Device memoryX does not have a release() function" warning (diff) | |
| download | linux-dev-b023f46813cde6e3b8a8c24f432ff9c1fd8e9a64.tar.xz linux-dev-b023f46813cde6e3b8a8c24f432ff9c1fd8e9a64.zip | |
memory-hotplug: skip HWPoisoned page when offlining pages
hwpoisoned may be set when we offline a page by the sysfs interface
/sys/devices/system/memory/soft_offline_page or
/sys/devices/system/memory/hard_offline_page. If we don't clear
this flag when onlining pages, this page can't be freed, and will
not in free list. So we can't offline these pages again. So we
should skip such page when offlining pages.
Signed-off-by: Wen Congyang <wency@cn.fujitsu.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Jiang Liu <liuj97@gmail.com>
Cc: Len Brown <len.brown@intel.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Christoph Lameter <cl@linux.com>
Cc: Minchan Kim <minchan.kim@gmail.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Mel Gorman <mel@csn.ul.ie>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/sparse.c')
0 files changed, 0 insertions, 0 deletions