The patch titled
Subject: mm: vma_adjust: remove superfluous check for next not NULL
has been added to the -mm tree. Its filename is
mm-vma_adjust-remove-superfluous-check-for-next-not-null.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-vma_adjust-remove-superfluous-check-for-next-not-null.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-vma_adjust-remove-superfluous-check-for-next-not-null.patch
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------------------------------------------------------
From: Andrea Arcangeli <aarcange@xxxxxxxxxx>
Subject: mm: vma_adjust: remove superfluous check for next not NULL
If next would be NULL we couldn't reach such code path.
Link: http://lkml.kernel.org/r/1474309513-20313-2-git-send-email-aarcange@xxxxxxxxxx
Signed-off-by: Andrea Arcangeli <aarcange@xxxxxxxxxx>
Cc: Rik van Riel <riel@xxxxxxxxxx>
Cc: Hugh Dickins <hughd@xxxxxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx>
Cc: Jan Vorlicek <janvorli@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/mmap.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN mm/mmap.c~mm-vma_adjust-remove-superfluous-check-for-next-not-null mm/mmap.c
--- a/mm/mmap.c~mm-vma_adjust-remove-superfluous-check-for-next-not-null
+++ a/mm/mmap.c
@@ -699,7 +699,7 @@ int __vma_adjust(struct vm_area_struct *
* If next doesn't have anon_vma, import from vma after
* next, if the vma overlaps with it.
*/
- if (remove_next == 2 && next && !next->anon_vma)
+ if (remove_next == 2 && !next->anon_vma)
exporter = next->vm_next;
} else if (end > next->vm_start) {
_
Patches currently in -mm which might be from aarcange@xxxxxxxxxx are
mm-vma_merge-fix-vm_page_prot-smp-race-condition-against-rmap_walk.patch
mm-vma_adjust-remove-superfluous-check-for-next-not-null.patch
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