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

1 files changed, 14 insertions, 7 deletions

diff --git a/kernel/timer.c b/kernel/timer.c
index 00e44e2afd67..a05817c021d6 100644
--- a/kernel/timer.c
+++ b/kernel/timer.c
@@ -817,6 +817,19 @@ unsigned long next_timer_interrupt(void)
 
 #endif
 
+#ifndef CONFIG_VIRT_CPU_ACCOUNTING
+void account_process_tick(struct task_struct *p, int user_tick)
+{
+        if (user_tick) {
+                account_user_time(p, jiffies_to_cputime(1));
+                account_user_time_scaled(p, jiffies_to_cputime(1));
+        } else {
+                account_system_time(p, HARDIRQ_OFFSET, jiffies_to_cputime(1));
+                account_system_time_scaled(p, jiffies_to_cputime(1));
+        }
+}
+#endif
+
 /*
  * Called from the timer interrupt handler to charge one tick to the current
  * process.  user_tick is 1 if the tick is user time, 0 for system.
@@ -827,13 +840,7 @@ void update_process_times(int user_tick)
         int cpu = smp_processor_id();
 
         /* Note: this timer irq context must be accounted for as well. */
-        if (user_tick) {
-                account_user_time(p, jiffies_to_cputime(1));
-                account_user_time_scaled(p, jiffies_to_cputime(1));
-        } else {
-                account_system_time(p, HARDIRQ_OFFSET, jiffies_to_cputime(1));
-                account_system_time_scaled(p, jiffies_to_cputime(1));
-        }
+        account_process_tick(p, user_tick);
         run_local_timers();
         if (rcu_pending(cpu))
                 rcu_check_callbacks(cpu, user_tick);