sched: Rename select_task_rq() argument

In order to be able to rename the sync argument, we need to rename
the current flag argument.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

include/linux/sched.h

@@ -1037,7 +1037,7 @@ struct sched_class {
 	void (*put_prev_task) (struct rq *rq, struct task_struct *p);
 
 #ifdef CONFIG_SMP
-	int  (*select_task_rq)(struct task_struct *p, int flag, int sync);
+	int  (*select_task_rq)(struct task_struct *p, int sd_flag, int sync);
 
 	unsigned long (*load_balance) (struct rq *this_rq, int this_cpu,
 			struct rq *busiest, unsigned long max_load_move,

kernel/sched_fair.c

@@ -1331,7 +1331,7 @@ find_idlest_cpu(struct sched_group *group, struct task_struct *p, int this_cpu)
  *
  * preempt must be disabled.
  */
-static int select_task_rq_fair(struct task_struct *p, int flag, int sync)
+static int select_task_rq_fair(struct task_struct *p, int sd_flag, int sync)
 {
 	struct sched_domain *tmp, *sd = NULL;
 	int cpu = smp_processor_id();
@@ -1339,7 +1339,7 @@ static int select_task_rq_fair(struct task_struct *p, int flag, int sync)
 	int new_cpu = cpu;
 	int want_affine = 0;
 
-	if (flag & SD_BALANCE_WAKE) {
+	if (sd_flag & SD_BALANCE_WAKE) {
 		if (sched_feat(AFFINE_WAKEUPS))
 			want_affine = 1;
 		new_cpu = prev_cpu;
@@ -1368,7 +1368,7 @@ static int select_task_rq_fair(struct task_struct *p, int flag, int sync)
 				break;
 		}
 
-		switch (flag) {
+		switch (sd_flag) {
 		case SD_BALANCE_WAKE:
 			if (!sched_feat(LB_WAKEUP_UPDATE))
 				break;
@@ -1392,7 +1392,7 @@ static int select_task_rq_fair(struct task_struct *p, int flag, int sync)
 			want_affine = 0;
 		}
 
-		if (!(tmp->flags & flag))
+		if (!(tmp->flags & sd_flag))
 			continue;
 
 		sd = tmp;
@@ -1402,12 +1402,12 @@ static int select_task_rq_fair(struct task_struct *p, int flag, int sync)
 		struct sched_group *group;
 		int weight;
 
-		if (!(sd->flags & flag)) {
+		if (!(sd->flags & sd_flag)) {
 			sd = sd->child;
 			continue;
 		}
 
-		group = find_idlest_group(sd, p, cpu, flag);
+		group = find_idlest_group(sd, p, cpu, sd_flag);
 		if (!group) {
 			sd = sd->child;
 			continue;
@@ -1427,7 +1427,7 @@ static int select_task_rq_fair(struct task_struct *p, int flag, int sync)
 		for_each_domain(cpu, tmp) {
 			if (weight <= cpumask_weight(sched_domain_span(tmp)))
 				break;
-			if (tmp->flags & flag)
+			if (tmp->flags & sd_flag)
 				sd = tmp;
 		}
 		/* while loop will break here if sd == NULL */

kernel/sched_idletask.c

@@ -6,7 +6,7 @@
  */
 
 #ifdef CONFIG_SMP
-static int select_task_rq_idle(struct task_struct *p, int flag, int sync)
+static int select_task_rq_idle(struct task_struct *p, int sd_flag, int sync)
 {
 	return task_cpu(p); /* IDLE tasks as never migrated */
 }

kernel/sched_rt.c

@@ -938,11 +938,11 @@ static void yield_task_rt(struct rq *rq)
 #ifdef CONFIG_SMP
 static int find_lowest_rq(struct task_struct *task);
 
-static int select_task_rq_rt(struct task_struct *p, int flag, int sync)
+static int select_task_rq_rt(struct task_struct *p, int sd_flag, int sync)
 {
 	struct rq *rq = task_rq(p);
 
-	if (flag != SD_BALANCE_WAKE)
+	if (sd_flag != SD_BALANCE_WAKE)
 		return smp_processor_id();
 
 	/*