[PATCH aa] userfaultfd: double_down_read() can be static

From: kbuild test robot
Date: Thu Feb 12 2015 - 03:54:42 EST

mm/userfaultfd.c:48:6: sparse: symbol 'double_down_read' was not declared. Should it be static?
mm/userfaultfd.c:67:6: sparse: symbol 'double_up_read' was not declared. Should it be static?

Signed-off-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>
userfaultfd.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mm/userfaultfd.c b/mm/userfaultfd.c
index d1e89ef..88b2650 100644
--- a/mm/userfaultfd.c
+++ b/mm/userfaultfd.c
@@ -45,7 +45,7 @@ void double_pt_unlock(spinlock_t *ptl1,

-void double_down_read(struct rw_semaphore *mm1,
+static void double_down_read(struct rw_semaphore *mm1,
struct rw_semaphore *mm2)
@@ -64,7 +64,7 @@ void double_down_read(struct rw_semaphore *mm1,
down_read_nested(mm2, SINGLE_DEPTH_NESTING);

-void double_up_read(struct rw_semaphore *mm1,
+static void double_up_read(struct rw_semaphore *mm1,
struct rw_semaphore *mm2)
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