diff options
Diffstat (limited to 'kernel/power')
| -rw-r--r-- | kernel/power/process.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/kernel/power/process.c b/kernel/power/process.c index 2cea2658e985..d31d638ab4c0 100644 --- a/kernel/power/process.c +++ b/kernel/power/process.c | |||
| @@ -31,6 +31,18 @@ static inline int freezeable(struct task_struct * p) | |||
| 31 | return 1; | 31 | return 1; |
| 32 | } | 32 | } |
| 33 | 33 | ||
| 34 | /* | ||
| 35 | * freezing is complete, mark current process as frozen | ||
| 36 | */ | ||
| 37 | static inline void frozen_process(void) | ||
| 38 | { | ||
| 39 | if (!unlikely(current->flags & PF_NOFREEZE)) { | ||
| 40 | current->flags |= PF_FROZEN; | ||
| 41 | wmb(); | ||
| 42 | } | ||
| 43 | clear_tsk_thread_flag(current, TIF_FREEZE); | ||
| 44 | } | ||
| 45 | |||
| 34 | /* Refrigerator is place where frozen processes are stored :-). */ | 46 | /* Refrigerator is place where frozen processes are stored :-). */ |
| 35 | void refrigerator(void) | 47 | void refrigerator(void) |
| 36 | { | 48 | { |
| @@ -40,7 +52,7 @@ void refrigerator(void) | |||
| 40 | 52 | ||
| 41 | task_lock(current); | 53 | task_lock(current); |
| 42 | if (freezing(current)) { | 54 | if (freezing(current)) { |
| 43 | frozen_process(current); | 55 | frozen_process(); |
| 44 | task_unlock(current); | 56 | task_unlock(current); |
| 45 | } else { | 57 | } else { |
| 46 | task_unlock(current); | 58 | task_unlock(current); |
