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mm/hwpoison-inject: check PageLRU of hpage

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Hwpoison injector checks PageLRU of the raw target page to find out
whether the page is an appropriate target, but current code now filters
out thp tail pages, which prevents us from testing for such cases via this
interface.  So let's check hpage instead of p.

Signed-off-by: Naoya Horiguchi <[email protected]>
Acked-by: Dean Nelson <[email protected]>
Cc: Andi Kleen <[email protected]>
Cc: Andrea Arcangeli <[email protected]>
Cc: Hidetoshi Seto <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Naoya Horiguchi 2015-05-05 16:23:52 -07:00 • committed by Linus Torvalds
commit e386eed89c
1 changed files with 3 additions and 3 deletions
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6
mm/hwpoison-inject.c
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@ -34,12 +34,12 @@ static int hwpoison_inject(void *data, u64 val)
if (!hwpoison_filter_enable)
goto inject;
if (!PageLRU(p) && !PageHuge(p))
shake_page(p, 0);
if (!PageLRU(hpage) && !PageHuge(p))
shake_page(hpage, 0);
/*
* This implies unable to support non-LRU pages.
*/
if (!PageLRU(p) && !PageHuge(p))
if (!PageLRU(hpage) && !PageHuge(p))
goto put_out;
/*