Merge branch 'upstream-fixes'

1 files changed, 13 insertions, 11 deletions

diff --git a/kernel/sched.c b/kernel/sched.c
index 3ee2ae45125..bc38804e40d 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -4031,7 +4031,7 @@ long sched_getaffinity(pid_t pid, cpumask_t *mask)
 		goto out_unlock;
 
 	retval = 0;
-	cpus_and(*mask, p->cpus_allowed, cpu_possible_map);
+	cpus_and(*mask, p->cpus_allowed, cpu_online_map);
 
 out_unlock:
 	read_unlock(&tasklist_lock);
@@ -5141,7 +5141,7 @@ static void init_sched_build_groups(struct sched_group groups[], cpumask_t span,
 #define SEARCH_SCOPE		2
 #define MIN_CACHE_SIZE		(64*1024U)
 #define DEFAULT_CACHE_SIZE	(5*1024*1024U)
-#define ITERATIONS		2
+#define ITERATIONS		1
 #define SIZE_THRESH		130
 #define COST_THRESH		130
 
@@ -5480,9 +5480,9 @@ static unsigned long long measure_migration_cost(int cpu1, int cpu2)
 				break;
 			}
 		/*
-		 * Increase the cachesize in 5% steps:
+		 * Increase the cachesize in 10% steps:
 		 */
-		size = size * 20 / 19;
+		size = size * 10 / 9;
 	}
 
 	if (migration_debug)
@@ -5551,13 +5551,15 @@ static void calibrate_migration_costs(const cpumask_t *cpu_map)
 			-1
 #endif
 		);
-	printk("migration_cost=");
-	for (distance = 0; distance <= max_distance; distance++) {
-		if (distance)
-			printk(",");
-		printk("%ld", (long)migration_cost[distance] / 1000);
+	if (system_state == SYSTEM_BOOTING) {
+		printk("migration_cost=");
+		for (distance = 0; distance <= max_distance; distance++) {
+			if (distance)
+				printk(",");
+			printk("%ld", (long)migration_cost[distance] / 1000);
+		}
+		printk("\n");
 	}
-	printk("\n");
 	j1 = jiffies;
 	if (migration_debug)
 		printk("migration: %ld seconds\n", (j1-j0)/HZ);
@@ -6109,7 +6111,7 @@ void __init sched_init(void)
 	runqueue_t *rq;
 	int i, j, k;
 
-	for (i = 0; i < NR_CPUS; i++) {
+	for_each_cpu(i) {
 		prio_array_t *array;
 
 		rq = cpu_rq(i);