mm: migrate: Account a transhuge page properly when rate limiting

[deliverable/linux.git] / include / linux / perf_event.h

diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 2e902359aee596f128dee568d06e0e0ab3149dfe..6bfb2faa0b1937555f5ca8fa937c7007bf5b3bc4 100644 (file)
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -803,12 +803,16 @@ static inline void perf_event_task_tick(void)                             { }
 do {                                                                   \
        static struct notifier_block fn##_nb __cpuinitdata =            \
                { .notifier_call = fn, .priority = CPU_PRI_PERF };      \
+       unsigned long cpu = smp_processor_id();                         \
+       unsigned long flags;                                            \
        fn(&fn##_nb, (unsigned long)CPU_UP_PREPARE,                     \
-               (void *)(unsigned long)smp_processor_id());             \
+               (void *)(unsigned long)cpu);                            \
+       local_irq_save(flags);                                          \
        fn(&fn##_nb, (unsigned long)CPU_STARTING,                       \
-               (void *)(unsigned long)smp_processor_id());             \
+               (void *)(unsigned long)cpu);                            \
+       local_irq_restore(flags);                                       \
        fn(&fn##_nb, (unsigned long)CPU_ONLINE,                         \
-               (void *)(unsigned long)smp_processor_id());             \
+               (void *)(unsigned long)cpu);                            \
        register_cpu_notifier(&fn##_nb);                                \
 } while (0)