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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-05-09 09:26:56 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-05-09 09:26:56 +0200
commit545feeff158e03318bfaf34d0877da7ebfea3540 (patch)
tree3abe37b7b351f2badc6fda8b1ee85b1bfc7400d5 /mm/memory-failure.c
parent792f7525ac8b9f13df8a4849b25fa4d4a2ac3400 (diff)
parent74d2a91aec97ab832790c9398d320413ad185321 (diff)
Merge tag 'usb-serial-4.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-next
Johan writes: USB-serial fixes for v4.6-rc7 Here are some more new device ids. Signed-off-by: Johan Hovold <johan@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);