Merge git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched

* git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched:
  sched: proper prototype for kernel/sched.c:migration_init()
  sched: avoid large irq-latencies in smp-balancing
  sched: fix copy_namespace() <-> sched_fork() dependency in do_fork
  sched: clean up the wakeup preempt check, #2
  sched: clean up the wakeup preempt check
  sched: wakeup preemption fix
  sched: remove PREEMPT_RESTRICT
  sched: turn off PREEMPT_RESTRICT
  KVM: fix !SMP build error
  x86: make nmi_cpu_busy() always defined
  x86: make ipi_handler() always defined
  sched: cleanup, use NSEC_PER_MSEC and NSEC_PER_SEC
  sched: reintroduce SMP tunings again
  sched: restore deterministic CPU accounting on powerpc
  sched: fix delay accounting regression
  sched: reintroduce the sched_min_granularity tunable
  sched: documentation: place_entity() comments
  sched: fix vslice

2 files changed, 20 insertions, 4 deletions

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 155d7438f7ad..ee800e7a70de 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -254,6 +254,7 @@ long io_schedule_timeout(long timeout);
 
 extern void cpu_init (void);
 extern void trap_init(void);
+extern void account_process_tick(struct task_struct *task, int user);
 extern void update_process_times(int user);
 extern void scheduler_tick(void);
 
@@ -862,7 +863,6 @@ struct sched_entity {
         struct load_weight      load;           /* for load-balancing */
         struct rb_node          run_node;
         unsigned int            on_rq;
-        int                     peer_preempt;
 
         u64                     exec_start;
         u64                     sum_exec_runtime;
@@ -1460,12 +1460,17 @@ extern void sched_idle_next(void);
 
 #ifdef CONFIG_SCHED_DEBUG
 extern unsigned int sysctl_sched_latency;
-extern unsigned int sysctl_sched_nr_latency;
+extern unsigned int sysctl_sched_min_granularity;
 extern unsigned int sysctl_sched_wakeup_granularity;
 extern unsigned int sysctl_sched_batch_wakeup_granularity;
 extern unsigned int sysctl_sched_child_runs_first;
 extern unsigned int sysctl_sched_features;
 extern unsigned int sysctl_sched_migration_cost;
+extern unsigned int sysctl_sched_nr_migrate;
+
+int sched_nr_latency_handler(struct ctl_table *table, int write,
+                struct file *file, void __user *buffer, size_t *length,
+                loff_t *ppos);
 #endif
 
 extern unsigned int sysctl_sched_compat_yield;
@@ -1983,6 +1988,14 @@ static inline void inc_syscw(struct task_struct *tsk)
 }
 #endif
 
+#ifdef CONFIG_SMP
+void migration_init(void);
+#else
+static inline void migration_init(void)
+{
+}
+#endif
+
 #endif /* __KERNEL__ */
 
 #endif
diff --git a/include/linux/smp.h b/include/linux/smp.h
index 259a13c3bd98..c25e66bcecf3 100644
--- a/include/linux/smp.h
+++ b/include/linux/smp.h
@@ -84,11 +84,12 @@ void smp_prepare_boot_cpu(void);
  *      These macros fold the SMP functionality into a single CPU system
  */
 #define raw_smp_processor_id()                  0
-static inline int up_smp_call_function(void)
+static inline int up_smp_call_function(void (*func)(void *), void *info)
 {
         return 0;
 }
-#define smp_call_function(func,info,retry,wait) (up_smp_call_function())
+#define smp_call_function(func, info, retry, wait) \
+                        (up_smp_call_function(func, info))
 #define on_each_cpu(func,info,retry,wait)       \
         ({                                      \
                 local_irq_disable();            \
@@ -107,6 +108,8 @@ static inline void smp_send_reschedule(int cpu) { }
         local_irq_enable();     \
         0;                      \
 })
+#define smp_call_function_mask(mask, func, info, wait) \
+                        (up_smp_call_function(func, info))
 
 #endif /* !SMP */