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authorVegard Nossum <vegard.nossum@oracle.com>2017-02-27 14:30:13 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-02-27 18:43:48 -0800
commit388f79345502232d335467e8fa6f8e55a18844e1 (patch)
tree8537520e3fe14e4eab550bc386efe266b27207f4 /kernel
parent3fce371bfac2be0396ffc1e763600e6c6b1bb52a (diff)
mm: use mmget_not_zero() helper
We already have the helper, we can convert the rest of the kernel mechanically using: git grep -l 'atomic_inc_not_zero.*mm_users' | xargs sed -i 's/atomic_inc_not_zero(&\(.*\)->mm_users)/mmget_not_zero\(\1\)/' This is needed for a later patch that hooks into the helper, but might be a worthwhile cleanup on its own. Link: http://lkml.kernel.org/r/20161218123229.22952-3-vegard.nossum@oracle.com Signed-off-by: Vegard Nossum <vegard.nossum@oracle.com> Acked-by: Michal Hocko <mhocko@suse.com> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Acked-by: David Rientjes <rientjes@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/events/uprobes.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c
index 18c6b23edd3c..d630f8ac4d2f 100644
--- a/kernel/events/uprobes.c
+++ b/kernel/events/uprobes.c
@@ -747,7 +747,7 @@ build_map_info(struct address_space *mapping, loff_t offset, bool is_register)
continue;
}
- if (!atomic_inc_not_zero(&vma->vm_mm->mm_users))
+ if (!mmget_not_zero(vma->vm_mm))
continue;
info = prev;