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| author | Tejun Heo <tj@kernel.org> | 2011-11-21 12:32:25 -0800 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2011-11-21 12:32:25 -0800 |
| commit | 948246f70a811c872b9d93bb4a8ab5823c4c79e0 (patch) | |
| tree | 385fee0509ba5e05f1f651c8b86b7b56a0518163 | |
| parent | d88e4cb67197d007fb778d62fe17360e970d5bfa (diff) | |
| download | linux-948246f70a811c872b9d93bb4a8ab5823c4c79e0.tar.gz linux-948246f70a811c872b9d93bb4a8ab5823c4c79e0.tar.bz2 linux-948246f70a811c872b9d93bb4a8ab5823c4c79e0.zip | |
freezer: remove should_send_signal() and update frozen()
should_send_signal() is only used in freezer.c. Exporting them only
increases chance of abuse. Open code the two users and remove it.
Update frozen() to return bool.
Signed-off-by: Tejun Heo <tj@kernel.org>
| -rw-r--r-- | include/linux/freezer.h | 9 | ||||
| -rw-r--r-- | kernel/freezer.c | 2 |
2 files changed, 3 insertions, 8 deletions
diff --git a/include/linux/freezer.h b/include/linux/freezer.h index 8e29f2b7ce11..3d50913d39d0 100644 --- a/include/linux/freezer.h +++ b/include/linux/freezer.h @@ -15,7 +15,7 @@ extern bool pm_nosig_freezing; /* PM nosig freezing in effect */ /* * Check if a process has been frozen */ -static inline int frozen(struct task_struct *p) +static inline bool frozen(struct task_struct *p) { return p->flags & PF_FROZEN; } @@ -32,11 +32,6 @@ static inline bool freezing(struct task_struct *p) return freezing_slow_path(p); } -static inline bool should_send_signal(struct task_struct *p) -{ - return !(p->flags & PF_FREEZER_NOSIG); -} - /* Takes and releases task alloc lock using task_lock() */ extern void __thaw_task(struct task_struct *t); @@ -166,7 +161,7 @@ static inline void set_freezable_with_signal(void) __retval; \ }) #else /* !CONFIG_FREEZER */ -static inline int frozen(struct task_struct *p) { return 0; } +static inline bool frozen(struct task_struct *p) { return false; } static inline bool freezing(struct task_struct *p) { return false; } static inline bool __refrigerator(bool check_kthr_stop) { return false; } diff --git a/kernel/freezer.c b/kernel/freezer.c index f53cd5aa5b2e..95a123844241 100644 --- a/kernel/freezer.c +++ b/kernel/freezer.c @@ -132,7 +132,7 @@ bool freeze_task(struct task_struct *p, bool sig_only) return false; } - if (should_send_signal(p)) { + if (!(p->flags & PF_FREEZER_NOSIG)) { fake_signal_wake_up(p); /* * fake_signal_wake_up() goes through p's scheduler |