From cba48b98f2348c814316c4b4f411a07a0e4a2bf9 Mon Sep 17 00:00:00 2001 From: Rik van Riel Date: Mon, 9 Aug 2010 17:18:38 -0700 Subject: mm: change direct call of spin_lock(anon_vma->lock) to inline function Subsitute a direct call of spin_lock(anon_vma->lock) with an inline function doing exactly the same. This makes it easier to do the substitution to the root anon_vma lock in a following patch. We will deal with the handful of special locks (nested, dec_and_lock, etc) separately. Signed-off-by: Rik van Riel Acked-by: Mel Gorman Acked-by: KAMEZAWA Hiroyuki Tested-by: Larry Woodman Acked-by: Larry Woodman Reviewed-by: Minchan Kim Acked-by: Linus Torvalds Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- mm/migrate.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'mm/migrate.c') diff --git a/mm/migrate.c b/mm/migrate.c index 4205b1d6049..1855f869917 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -684,7 +684,7 @@ rcu_unlock: /* Drop an anon_vma reference if we took one */ if (anon_vma && atomic_dec_and_lock(&anon_vma->external_refcount, &anon_vma->lock)) { int empty = list_empty(&anon_vma->head); - spin_unlock(&anon_vma->lock); + anon_vma_unlock(anon_vma); if (empty) anon_vma_free(anon_vma); } -- cgit v1.2.3