path: root/ipc
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authorDavidlohr Bueso <dave@stgolabs.net>2016-12-14 15:06:40 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2016-12-14 16:04:08 -0800
commit4663d3e8f21652f33c698fcc2bf20f61499d9c3e (patch)
tree683dd94878d05e85e464627ddd4aa08db0b0bcdc /ipc
parent4ce33ec2e42d4661bf05289e213bc088eecb9132 (diff)
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>
Diffstat (limited to 'ipc')
1 files changed, 1 insertions, 1 deletions
diff --git a/ipc/sem.c b/ipc/sem.c
index c14883f5a4b5..084e1f55ca72 100644
--- 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))

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