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 <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Cc: Linus Torvalds <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>

diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c
index 8aaa971ffecd28a19ccc1fcaef1ef55bdf2fff4f..fab3bf81bb7c2e57a1235b34a21666e805f2b26f 100644 (file)
--- a/kernel/sched/deadline.c
+++ b/kernel/sched/deadline.c
@@ -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);