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authorIngo Molnar <mingo@kernel.org>2016-05-07 07:00:07 +0200
committerIngo Molnar <mingo@kernel.org>2016-05-07 07:00:07 +0200
commit35dc9ec1076b79c31bf7ed538af008b7f23bb14d (patch)
treef90affdd5dc45f47f8d5d84ea34c71e5e521e7a1 /mm/memory-failure.c
parent0ec7ae928a9c19c2b7b8054507d5694a2597065e (diff)
parent07837831047fb72856d1f61a726a4094397facd8 (diff)
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Merge branch 'linus' into efi/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'mm/memory-failure.c')
-rw-r--r--mm/memory-failure.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index 78f5f2641b91..ca5acee53b7a 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -888,7 +888,15 @@ int get_hwpoison_page(struct page *page)
}
}
- return get_page_unless_zero(head);
+ if (get_page_unless_zero(head)) {
+ if (head == compound_head(page))
+ return 1;
+
+ pr_info("MCE: %#lx cannot catch tail\n", page_to_pfn(page));
+ put_page(head);
+ }
+
+ return 0;
}
EXPORT_SYMBOL_GPL(get_hwpoison_page);