Commit 948246f7 authored by Tejun Heo's avatar Tejun Heo

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: default avatarTejun Heo <tj@kernel.org>
parent d88e4cb6
......@@ -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; }
......
......@@ -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
......
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