[PATCH -tip] sched: use cpumask_first() to fix compiler warning

[Hiroshi Shimamoto]

From: Hiroshi Shimamoto <h-shimamoto@xxxxxxxxxxxxx>

Use cpumask_first() and sched_group_cpus().

  CC      kernel/sched.o
kernel/sched.c: In function 'find_busiest_group':
kernel/sched.c:3429: warning: passing argument 1 of '__first_cpu' from incompatible pointer type

Signed-off-by: Hiroshi Shimamoto <h-shimamoto@xxxxxxxxxxxxx>
---
 kernel/sched.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/kernel/sched.c b/kernel/sched.c
index 1b4dc4d..e75d6ed 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -3426,7 +3426,7 @@ out_balanced:
 		*imbalance = min_load_per_task;
 		if (sched_mc_power_savings >= POWERSAVINGS_BALANCE_WAKEUP) {
 			cpu_rq(this_cpu)->rd->sched_mc_preferred_wakeup_cpu =
-					first_cpu(group_leader->cpumask);
+				cpumask_first(sched_group_cpus(group_leader));
 		}
 		return group_min;
 	}
-- 
1.6.0.4

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