p71924506
/
linux_old1
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

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>
This commit is contained in:
Davidlohr Bueso 2016-12-14 15:06:40 -08:00 committed by Linus Torvalds
parent 4ce33ec2e4
commit 4663d3e8f2
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
ipc/sem.c
View File

@ -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))