ipc/sem: explicitly inline check_restart

The compiler already does this, but make it explicit.  This helper is
really small and also used in update_queue's main loop, which is O(N^2)
scanning.  Inline and avoid the function overhead.

Link: http://lkml.kernel.org/r/1474225896-10066-5-git-send-email-dave@stgolabs.net
Signed-off-by: Davidlohr Bueso <dbueso@suse.de>
Cc: Manfred Spraul <manfred@colorfullife.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/ipc/sem.c b/ipc/sem.c
index c14883f5a4b530ccbbc10a18f186a24d7e2cc921..084e1f55ca72ade99873154dff5e5bb4eac1da95 100644 (file)
--- a/ipc/sem.c
+++ b/ipc/sem.c
@@ -772,7 +772,7 @@ static void unlink_queue(struct sem_array *sma, struct sem_queue *q)
  * modified the array.
  * Note that wait-for-zero operations are handled without restart.
  */
-static int check_restart(struct sem_array *sma, struct sem_queue *q)
+static inline int check_restart(struct sem_array *sma, struct sem_queue *q)
 {
        /* pending complex alter operations are too difficult to analyse */
        if (!list_empty(&sma->pending_alter))