Commit 4663d3e8 authored Dec 14, 2016 by Davidlohr Bueso Committed by Linus Torvalds Dec 14, 2016

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>

parent 4ce33ec2

ipc/sem.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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))