mm/hwpoison: fix page refcount of unknown non LRU page

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commit 4f32be677b upstream.

After trying to drain pages from pagevec/pageset, we try to get reference
count of the page again, however, the reference count of the page is not
reduced if the page is still not on LRU list.

Fix it by adding the put_page() to drop the page reference which is from
__get_any_page().

Signed-off-by: Wanpeng Li <wanpeng.li@hotmail.com>
Acked-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>

...

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Wanpeng Li 2015-08-14 15:34:56 -07:00 • committed by Luis Henriques

parent 9264c0af19

commit 699fdfef94

1 changed files with 2 additions and 0 deletions

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mm/memory-failure.c

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