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Subject[PATCH 22/39] autonuma: select_task_rq_fair cleanup new_cpu < 0 fix
Date
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@redhat.com>
---
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;
}


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