Commit 1d7e974c authored Oct 14, 2014 by Wanpeng Li Committed by Ingo Molnar Oct 28, 2014

sched/deadline: Don't check SD_BALANCE_FORK



There is no need to do balance during fork since SCHED_DEADLINE
tasks can't fork. This patch avoid the SD_BALANCE_FORK check.

Signed-off-by: Wanpeng Li <wanpeng.li@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1413253360-5318-1-git-send-email-wanpeng.li@linux.intel.com


Cc: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>

parent f82f8042

kernel/sched/deadline.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -933,7 +933,7 @@ select_task_rq_dl(struct task_struct *p, int cpu, int sd_flag, int flags)
		struct task_struct *curr;
		struct rq *rq;

		if (sd_flag != SD_BALANCE_WAKE && sd_flag != SD_BALANCE_FORK)
		if (sd_flag != SD_BALANCE_WAKE)
		goto out;

		rq = cpu_rq(cpu);