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authorNaoya Horiguchi <[email protected]>2015-05-05 16:23:52 -0700
committerLinus Torvalds <[email protected]>2015-05-05 17:10:11 -0700
commite386eed89c764f102fcc3c0d4c78c65a357f7399 (patch)
tree8467bb7e3ce7c2391fe29d3ab90900934286bbc8
parent7ea434a4eb49db83d17cc076f2267704c52938ae (diff)
mm/hwpoison-inject: check PageLRU of hpage
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]>
-rw-r--r--mm/hwpoison-inject.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/mm/hwpoison-inject.c b/mm/hwpoison-inject.c
index 2b3f933e3282..4ca5fe0042e1 100644
--- a/mm/hwpoison-inject.c
+++ b/mm/hwpoison-inject.c
@@ -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;
/*