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mm: rename drop_anon_vma() to put_anon_vma()

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The normal code pattern used in the kernel is: get/put.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Acked-by: Hugh Dickins <hughd@google.com>
Reviewed-by: Rik van Riel <riel@redhat.com>
Acked-by: Mel Gorman <mel@csn.ul.ie>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Peter Zijlstra
2011-03-22 16:32:46 -07:00
committed by Linus Torvalds
parent 7bc32f6f90
commit 9e60109f12
4 changed files with 11 additions and 24 deletions
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4
mm/rmap.c
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@@ -278,7 +278,7 @@ static void anon_vma_unlink(struct anon_vma_chain *anon_vma_chain)
if (empty) {
/* We no longer need the root anon_vma */
if (anon_vma->root != anon_vma)
drop_anon_vma(anon_vma->root);
put_anon_vma(anon_vma->root);
anon_vma_free(anon_vma);
}
}
@@ -1493,7 +1493,7 @@ int try_to_munlock(struct page *page)
* we know we are the last user, nobody else can get a reference and we
* can do the freeing without the lock.
*/
void drop_anon_vma(struct anon_vma *anon_vma)
void put_anon_vma(struct anon_vma *anon_vma)
{
BUG_ON(atomic_read(&anon_vma->external_refcount) <= 0);
if (atomic_dec_and_lock(&anon_vma->external_refcount, &anon_vma->root->lock)) {