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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/memory-failure.c | |
| parent | fa7194eb99b8e9fefe96f045002648ffb55f53c0 (diff) | |
| download | op-kernel-dev-b023f46813cde6e3b8a8c24f432ff9c1fd8e9a64.zip op-kernel-dev-b023f46813cde6e3b8a8c24f432ff9c1fd8e9a64.tar.gz | |
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/memory-failure.c')
| -rw-r--r-- | mm/memory-failure.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/memory-failure.c b/mm/memory-failure.c index 8b20278..2c9fc73 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -1385,7 +1385,7 @@ static int get_any_page(struct page *p, unsigned long pfn, int flags) * Isolate the page, so that it doesn't get reallocated if it * was free. */ - set_migratetype_isolate(p); + set_migratetype_isolate(p, true); /* * When the target page is a free hugepage, just remove it * from free hugepage list. |
