The patch titled
Subject: mm-fix-anon_vma-degree-underflow-in-anon_vma-endless-growing-prevention-v2
has been added to the -mm tree. Its filename is
mm-fix-anon_vma-degree-underflow-in-anon_vma-endless-growing-prevention-v2.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-fix-anon_vma-degree-underflow-in-anon_vma-endless-growing-prevention-v2.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-fix-anon_vma-degree-underflow-in-anon_vma-endless-growing-prevention-v2.patch
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------------------------------------------------------
From: Leon Yu <chianglungyu@xxxxxxxxx>
Subject: mm-fix-anon_vma-degree-underflow-in-anon_vma-endless-growing-prevention-v2
Also suggested by Michal Hocko, we can clean up vma_adjust() a bit as
anon_vma_clone() now does the work.
Signed-off-by: Leon Yu <chianglungyu@xxxxxxxxx>
Signed-off-by: Konstantin Khlebnikov <koct9i@xxxxxxxxx>
Reviewed-by: Michal Hocko <mhocko@xxxxxxx>
Acked-by: David Rientjes <rientjes@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/mmap.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff -puN mm/mmap.c~mm-fix-anon_vma-degree-underflow-in-anon_vma-endless-growing-prevention-v2 mm/mmap.c
--- a/mm/mmap.c~mm-fix-anon_vma-degree-underflow-in-anon_vma-endless-growing-prevention-v2
+++ a/mm/mmap.c
@@ -774,10 +774,8 @@ again: remove_next = 1 + (end > next->
importer->anon_vma = exporter->anon_vma;
error = anon_vma_clone(importer, exporter);
- if (error) {
- importer->anon_vma = NULL;
+ if (error)
return error;
- }
}
}
_
Patches currently in -mm which might be from chianglungyu@xxxxxxxxx are
mm-fix-anon_vma-degree-underflow-in-anon_vma-endless-growing-prevention.patch
mm-fix-anon_vma-degree-underflow-in-anon_vma-endless-growing-prevention-v2.patch
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