sched/fair: Remove unused 'curr' parameter from wakeup_gran

The first parameter of wakeup_gran(), 'curr', is unnecessary now.

Signed-off-by: Cheng Jian <[e-mail]>
Cc: Linus Torvalds <[e-mail]>
Cc: Peter Zijlstra <[e-mail]>
Cc: Thomas Gleixner <[e-mail]>
Cc: [e-mail]
Cc: [e-mail]
Link: http://lkml.kernel.org/r/[e-mail]
Signed-off-by: Ingo Molnar <[e-mail]>

kernel/sched/fair.c

···
 }
 #endif /* CONFIG_SMP */
 
-static unsigned long
-wakeup_gran(struct sched_entity *curr, struct sched_entity *se)
+static unsigned long wakeup_gran(struct sched_entity *se)
 {
 	unsigned long gran = sysctl_sched_wakeup_granularity;
 
···
 	if (vdiff <= 0)
 		return -1;
 
-	gran = wakeup_gran(curr, se);
+	gran = wakeup_gran(se);
 	if (vdiff > gran)
 		return 1;