freezer: remove unused @sig_only from freeze_task()
After "freezer: make freezing() test freeze conditions in effect instead of TIF_FREEZE", freezing() returns authoritative answer on whether the current task should freeze or not and freeze_task() doesn't need or use @sig_only. Remove it. While at it, rewrite function comment for freeze_task() and rename @sig_only to @user_only in try_to_freeze_tasks(). This patch doesn't cause any functional change. Signed-off-by: Tejun Heo <tj@kernel.org> Acked-by: Oleg Nesterov <oleg@redhat.com>
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@@ -48,7 +48,7 @@ static inline bool try_to_freeze(void)
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return __refrigerator(false);
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}
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extern bool freeze_task(struct task_struct *p, bool sig_only);
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extern bool freeze_task(struct task_struct *p);
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extern bool __set_freezable(bool with_signal);
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#ifdef CONFIG_CGROUP_FREEZER
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