Merge branch 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

* 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (21 commits)
  sched: Remove forced2_migrations stats
  sched: Fix memory leak in two error corner cases
  sched: Fix build warning in get_update_sysctl_factor()
  sched: Update normalized values on user updates via proc
  sched: Make tunable scaling style configurable
  sched: Fix missing sched tunable recalculation on cpu add/remove
  sched: Fix task priority bug
  sched: cgroup: Implement different treatment for idle shares
  sched: Remove unnecessary RCU exclusion
  sched: Discard some old bits
  sched: Clean up check_preempt_wakeup()
  sched: Move update_curr() in check_preempt_wakeup() to avoid redundant call
  sched: Sanitize fork() handling
  sched: Clean up ttwu() rq locking
  sched: Remove rq->clock coupling from set_task_cpu()
  sched: Consolidate select_task_rq() callers
  sched: Remove sysctl.sched_features
  sched: Protect sched_rr_get_param() access to task->sched_class
  sched: Protect task->cpus_allowed access in sched_getaffinity()
  sched: Fix balance vs hotplug race
  ...

Fixed up conflicts in kernel/sysctl.c (due to sysctl cleanup)

2 files changed, 15 insertions, 7 deletions

diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h
index 789cf5f920ce..d77b54733c5b 100644
--- a/include/linux/cpumask.h
+++ b/include/linux/cpumask.h
@@ -84,6 +84,7 @@ extern const struct cpumask *const cpu_active_mask;
 #define num_online_cpus()       cpumask_weight(cpu_online_mask)
 #define num_possible_cpus()     cpumask_weight(cpu_possible_mask)
 #define num_present_cpus()      cpumask_weight(cpu_present_mask)
+#define num_active_cpus()       cpumask_weight(cpu_active_mask)
 #define cpu_online(cpu)         cpumask_test_cpu((cpu), cpu_online_mask)
 #define cpu_possible(cpu)       cpumask_test_cpu((cpu), cpu_possible_mask)
 #define cpu_present(cpu)        cpumask_test_cpu((cpu), cpu_present_mask)
@@ -92,6 +93,7 @@ extern const struct cpumask *const cpu_active_mask;
 #define num_online_cpus()       1
 #define num_possible_cpus()     1
 #define num_present_cpus()      1
+#define num_active_cpus()       1
 #define cpu_online(cpu)         ((cpu) == 0)
 #define cpu_possible(cpu)       ((cpu) == 0)
 #define cpu_present(cpu)        ((cpu) == 0)
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 3f4fa73b512a..294eb2f80144 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1102,7 +1102,7 @@ struct sched_class {
 
         void (*set_curr_task) (struct rq *rq);
         void (*task_tick) (struct rq *rq, struct task_struct *p, int queued);
-        void (*task_new) (struct rq *rq, struct task_struct *p);
+        void (*task_fork) (struct task_struct *p);
 
         void (*switched_from) (struct rq *this_rq, struct task_struct *task,
                                int running);
@@ -1111,7 +1111,8 @@ struct sched_class {
         void (*prio_changed) (struct rq *this_rq, struct task_struct *task,
                              int oldprio, int running);
 
-        unsigned int (*get_rr_interval) (struct task_struct *task);
+        unsigned int (*get_rr_interval) (struct rq *rq,
+                                         struct task_struct *task);
 
 #ifdef CONFIG_FAIR_GROUP_SCHED
         void (*moved_group) (struct task_struct *p);
@@ -1151,8 +1152,6 @@ struct sched_entity {
         u64                     start_runtime;
         u64                     avg_wakeup;
 
-        u64                     avg_running;
-
 #ifdef CONFIG_SCHEDSTATS
         u64                     wait_start;
         u64                     wait_max;
@@ -1175,7 +1174,6 @@ struct sched_entity {
         u64                     nr_failed_migrations_running;
         u64                     nr_failed_migrations_hot;
         u64                     nr_forced_migrations;
-        u64                     nr_forced2_migrations;
 
         u64                     nr_wakeups;
         u64                     nr_wakeups_sync;
@@ -1904,14 +1902,22 @@ extern unsigned int sysctl_sched_wakeup_granularity;
 extern unsigned int sysctl_sched_shares_ratelimit;
 extern unsigned int sysctl_sched_shares_thresh;
 extern unsigned int sysctl_sched_child_runs_first;
+
+enum sched_tunable_scaling {
+        SCHED_TUNABLESCALING_NONE,
+        SCHED_TUNABLESCALING_LOG,
+        SCHED_TUNABLESCALING_LINEAR,
+        SCHED_TUNABLESCALING_END,
+};
+extern enum sched_tunable_scaling sysctl_sched_tunable_scaling;
+
 #ifdef CONFIG_SCHED_DEBUG
-extern unsigned int sysctl_sched_features;
 extern unsigned int sysctl_sched_migration_cost;
 extern unsigned int sysctl_sched_nr_migrate;
 extern unsigned int sysctl_sched_time_avg;
 extern unsigned int sysctl_timer_migration;
 
-int sched_nr_latency_handler(struct ctl_table *table, int write,
+int sched_proc_update_handler(struct ctl_table *table, int write,
                 void __user *buffer, size_t *length,
                 loff_t *ppos);
 #endif