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sched: Make use of sysctl_sched_wake_to_idle in select_best_cpu

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sysctl_sched_wake_to_idle is a means to allow or disallow a global
task placement preference for idle CPUs. It has been unused thus
far since we've preferred to use a per-task flag instead to control
placement for individual tasks. Using this global flag, however, does
allow greater flexibility for testing and system evaluation.
Incorporate sysctl_sched_wake_to_idle in the placement policy.

Change-Id: I7e830bc914eb9c159ae18f165bc8b0278ec9af40
Signed-off-by: Syed Rameez Mustafa <rameezmustafa@codeaurora.org>
This commit is contained in:
Syed Rameez Mustafa 2016-08-18 16:41:35 -07:00
parent 078568e425
commit 3506942e60
1 changed files with 1 additions and 1 deletions
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kernel/sched/fair.c
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@ -2992,7 +2992,7 @@ static inline void init_cluster_cpu_stats(struct cluster_cpu_stats *stats)
static inline int wake_to_idle(struct task_struct *p)
{
return (current->flags & PF_WAKE_UP_IDLE) ||
(p->flags & PF_WAKE_UP_IDLE);
(p->flags & PF_WAKE_UP_IDLE) || sysctl_sched_wake_to_idle;
}
static inline bool