sched/fair: Don't check for migration for a pinned task



There is no point of checking whether a currently running task should be
migrated off this cpu if the task is pinned to the cpu.

Change-Id: I33e5ddb318200535c3563f5670059144e0f5eba8
Signed-off-by: Olav Haugan <ohaugan@codeaurora.org>

parent f303bb65

kernel/sched/fair.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -4096,7 +4096,8 @@ static inline int migration_needed(struct task_struct *p, int cpu)
		int nice;
		struct related_thread_group *grp;

		if (!sched_enable_hmp \|\| p->state != TASK_RUNNING)
		if (!sched_enable_hmp \|\| p->state != TASK_RUNNING \|\|
		p->nr_cpus_allowed == 1)
		return 0;

		/* No need to migrate task that is about to be throttled */