The patch titled
Subject: mm-gup-check-page-posion-status-for-coredump-v4
has been added to the -mm tree. Its filename is
mm-gup-check-page-posion-status-for-coredump-v4.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/mm-gup-check-page-posion-status-for-coredump-v4.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/mm-gup-check-page-posion-status-for-coredump-v4.patch
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The -mm tree is included into linux-next and is updated
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------------------------------------------------------
From: Aili Yao <yaoaili@xxxxxxxxxxxx>
Subject: mm-gup-check-page-posion-status-for-coredump-v4
is_page_poisoned() arg cannot be null, per Matthew
Link: https://lkml.kernel.org/r/20210319104437.6f30e80d@alex-virtual-machine
Link: https://lkml.kernel.org/r/20210322115233.05e4e82a@alex-virtual-machine
Signed-off-by: Aili Yao <yaoaili@xxxxxxxxxxxx>
Cc: David Hildenbrand <david@xxxxxxxxxx>
Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Cc: Naoya Horiguchi <naoya.horiguchi@xxxxxxx>
Cc: Oscar Salvador <osalvador@xxxxxxx>
Cc: Mike Kravetz <mike.kravetz@xxxxxxxxxx>
Cc: Aili Yao <yaoaili@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/internal.h | 11 +++++------
1 file changed, 5 insertions(+), 6 deletions(-)
--- a/mm/internal.h~mm-gup-check-page-posion-status-for-coredump-v4
+++ a/mm/internal.h
@@ -109,12 +109,11 @@ static inline void set_page_refcounted(s
*/
static inline bool is_page_poisoned(struct page *page)
{
- if (page != NULL) {
- if (PageHWPoison(page))
- return true;
- else if (PageHuge(page) && PageHWPoison(compound_head(page)))
- return true;
- }
+ if (PageHWPoison(page))
+ return true;
+ else if (PageHuge(page) && PageHWPoison(compound_head(page)))
+ return true;
+
return false;
}
_
Patches currently in -mm which might be from yaoaili@xxxxxxxxxxxx are
mm-gup-check-page-posion-status-for-coredump.patch
mm-gup-check-page-posion-status-for-coredump-v4.patch
