[PATCH 22/39] autonuma: select_task_rq_fair cleanup new_cpu < 0 fix

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Cleanup comment in the case find_idlest_cpu returned -1 and check for
< 0 instead of == -1 as it should allow gcc to generate more optimal
code.

Signed-off-by: Andrea Arcangeli <aarcange@xxxxxxxxxx>
---
 kernel/sched/fair.c |    5 ++---
 1 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index a8498e0..0c60f46 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -2792,10 +2792,9 @@ select_task_rq_fair(struct task_struct *p, int sd_flag, int wake_flags)
 		if (new_cpu == -1 || new_cpu == cpu) {
 			/* Now try balancing at a lower domain level of cpu */
 			sd = sd->child;
-			if (new_cpu == -1) {
-				/* Only for certain that new cpu is valid */
+			if (new_cpu < 0)
+				/* Return prev_cpu is find_idlest_cpu failed */
 				new_cpu = prev_cpu;
-			}
 			continue;
 		}
 

--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@xxxxxxxxx.  For more info on Linux MM,
see: http://www.linux-mm.org/ .
Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/
Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>


[Index of Archives]     [Linux ARM Kernel]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [IETF Annouce]     [Bugtraq]     [Linux]     [Linux OMAP]     [Linux MIPS]     [ECOS]     [Asterisk Internet PBX]     [Linux API]