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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2009-12-02 23:38:13 -0800 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2009-12-02 23:38:13 -0800 |
| commit | 467832032cc07626880363efa8625719c16c04eb (patch) | |
| tree | ee9a62c04f0b3106e412bc1b2dd1cea5566d5ca7 /include/linux/suspend.h | |
| parent | 66d2a5952eab875f1286e04f738ef029afdaf013 (diff) | |
| parent | 22763c5cf3690a681551162c15d34d935308c8d7 (diff) | |
Merge commit 'v2.6.32' into next
Diffstat (limited to 'include/linux/suspend.h')
| -rw-r--r-- | include/linux/suspend.h | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/include/linux/suspend.h b/include/linux/suspend.h index cd15df6c63cd..5e781d824e6d 100644 --- a/include/linux/suspend.h +++ b/include/linux/suspend.h @@ -301,6 +301,8 @@ static inline int unregister_pm_notifier(struct notifier_block *nb) #define pm_notifier(fn, pri) do { (void)(fn); } while (0) #endif /* !CONFIG_PM_SLEEP */ +extern struct mutex pm_mutex; + #ifndef CONFIG_HIBERNATION static inline void register_nosave_region(unsigned long b, unsigned long e) { @@ -308,8 +310,23 @@ static inline void register_nosave_region(unsigned long b, unsigned long e) static inline void register_nosave_region_late(unsigned long b, unsigned long e) { } -#endif -extern struct mutex pm_mutex; +static inline void lock_system_sleep(void) {} +static inline void unlock_system_sleep(void) {} + +#else + +/* Let some subsystems like memory hotadd exclude hibernation */ + +static inline void lock_system_sleep(void) +{ + mutex_lock(&pm_mutex); +} + +static inline void unlock_system_sleep(void) +{ + mutex_unlock(&pm_mutex); +} +#endif #endif /* _LINUX_SUSPEND_H */ |