sched: Remove unused 'this_best_prio arg' from balance_tasks()

It's passed across multiple functions but is never really used, so
remove it.

Signed-off-by: Vladimir Davydov <vdavydov@parallels.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1304447467-29200-1-git-send-email-vdavydov@parallels.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c
index 5280272cce3e93612d41ae6eb72354e887ef1091..37f22626225eb1afa2911f78e259a71853701b87 100644 (file)
--- a/kernel/sched_fair.c
+++ b/kernel/sched_fair.c
@@ -2142,7 +2142,7 @@ static unsigned long
 balance_tasks(struct rq *this_rq, int this_cpu, struct rq *busiest,
              unsigned long max_load_move, struct sched_domain *sd,
              enum cpu_idle_type idle, int *all_pinned,
-             int *this_best_prio, struct cfs_rq *busiest_cfs_rq)
+             struct cfs_rq *busiest_cfs_rq)
 {
        int loops = 0, pulled = 0;
        long rem_load_move = max_load_move;
@@ -2180,9 +2180,6 @@ balance_tasks(struct rq *this_rq, int this_cpu, struct rq *busiest,
                 */
                if (rem_load_move <= 0)
                        break;
-
-               if (p->prio < *this_best_prio)
-                       *this_best_prio = p->prio;
        }
 out:
        /*
@@ -2242,7 +2239,7 @@ static unsigned long
 load_balance_fair(struct rq *this_rq, int this_cpu, struct rq *busiest,
                  unsigned long max_load_move,
                  struct sched_domain *sd, enum cpu_idle_type idle,
-                 int *all_pinned, int *this_best_prio)
+                 int *all_pinned)
 {
        long rem_load_move = max_load_move;
        int busiest_cpu = cpu_of(busiest);
@@ -2267,7 +2264,7 @@ load_balance_fair(struct rq *this_rq, int this_cpu, struct rq *busiest,
                rem_load = div_u64(rem_load, busiest_h_load + 1);
 
                moved_load = balance_tasks(this_rq, this_cpu, busiest,
-                               rem_load, sd, idle, all_pinned, this_best_prio,
+                               rem_load, sd, idle, all_pinned,
                                busiest_cfs_rq);
 
                if (!moved_load)
@@ -2293,11 +2290,11 @@ static unsigned long
 load_balance_fair(struct rq *this_rq, int this_cpu, struct rq *busiest,
                  unsigned long max_load_move,
                  struct sched_domain *sd, enum cpu_idle_type idle,
-                 int *all_pinned, int *this_best_prio)
+                 int *all_pinned)
 {
        return balance_tasks(this_rq, this_cpu, busiest,
                        max_load_move, sd, idle, all_pinned,
-                       this_best_prio, &busiest->cfs);
+                       &busiest->cfs);
 }
 #endif
 
@@ -2314,12 +2311,11 @@ static int move_tasks(struct rq *this_rq, int this_cpu, struct rq *busiest,
                      int *all_pinned)
 {
        unsigned long total_load_moved = 0, load_moved;
-       int this_best_prio = this_rq->curr->prio;
 
        do {
                load_moved = load_balance_fair(this_rq, this_cpu, busiest,
                                max_load_move - total_load_moved,
-                               sd, idle, all_pinned, &this_best_prio);
+                               sd, idle, all_pinned);
 
                total_load_moved += load_moved;