sched: define and use CPU_PRI_* enums for cpu notifier priorities

Instead of hardcoding priority 10 and 20 in sched and perf, collect
them into CPU_PRI_* enums.

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/kernel/sched.c b/kernel/sched.c
index f8b8996228dd..552faf8d358c 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -5801,7 +5801,7 @@ migration_call(struct notifier_block *nfb, unsigned long action, void *hcpu)
  */
 static struct notifier_block __cpuinitdata migration_notifier = {
         .notifier_call = migration_call,
-        .priority = 10
+        .priority = CPU_PRI_MIGRATION,
 };
 
 static int __init migration_init(void)