diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/cpu.h | 5 | ||||
| -rw-r--r-- | include/linux/sched.h | 1 |
2 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/cpu.h b/include/linux/cpu.h index 1f7b2c09750..43c44530ef9 100644 --- a/include/linux/cpu.h +++ b/include/linux/cpu.h @@ -42,6 +42,7 @@ struct notifier_block; /* Need to know about CPUs going up/down? */ extern int register_cpu_notifier(struct notifier_block *nb); extern void unregister_cpu_notifier(struct notifier_block *nb); +extern int current_in_cpu_hotplug(void); int cpu_up(unsigned int cpu); @@ -54,6 +55,10 @@ static inline int register_cpu_notifier(struct notifier_block *nb) static inline void unregister_cpu_notifier(struct notifier_block *nb) { } +static inline int current_in_cpu_hotplug(void) +{ + return 0; +} #endif /* CONFIG_SMP */ extern struct sysdev_class cpu_sysdev_class; diff --git a/include/linux/sched.h b/include/linux/sched.h index 03b68a7b4b8..2bbf968b23d 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -909,6 +909,7 @@ do { if (atomic_dec_and_test(&(tsk)->usage)) __put_task_struct(tsk); } while(0) #define PF_SYNCWRITE 0x00200000 /* I am doing a sync write */ #define PF_BORROWED_MM 0x00400000 /* I am a kthread doing use_mm */ #define PF_RANDOMIZE 0x00800000 /* randomize virtual address space */ +#define PF_HOTPLUG_CPU 0x01000000 /* Currently performing CPU hotplug */ /* * Only the _current_ task can read/write to tsk->flags, but other |