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2023-12-08 01573e231f18eb2d99162747186f59511f56b64d

 kernel/include/linux/freezer.h
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@@ -27,6 +27,11 @@
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 	return p->flags & PF_FROZEN;
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 }
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+static inline bool frozen_or_skipped(struct task_struct *p)
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+{
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+	return p->flags & (PF_FROZEN | PF_FREEZER_SKIP);
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+}
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+
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 extern bool freezing_slow_path(struct task_struct *p);
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 /*
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@@ -207,6 +212,17 @@
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 	return __retval;
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 }
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+/* DO NOT ADD ANY NEW CALLERS OF THIS FUNCTION */
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+static inline long freezable_schedule_timeout_interruptible_unsafe(long timeout)
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+{
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+	long __retval;
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+
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+	freezer_do_not_count();
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+	__retval = schedule_timeout_interruptible(timeout);
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+	freezer_count_unsafe();
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+	return __retval;
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+}
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+
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 /* Like schedule_timeout_killable(), but should not block the freezer. */
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 static inline long freezable_schedule_timeout_killable(long timeout)
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 {
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@@ -259,6 +275,7 @@
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 #else /* !CONFIG_FREEZER */
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 static inline bool frozen(struct task_struct *p) { return false; }
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+static inline bool frozen_or_skipped(struct task_struct *p) { return false; }
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 static inline bool freezing(struct task_struct *p) { return false; }
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 static inline void __thaw_task(struct task_struct *t) {}
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@@ -285,6 +302,9 @@
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 #define freezable_schedule_timeout_interruptible(timeout)		\
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 	schedule_timeout_interruptible(timeout)
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+#define freezable_schedule_timeout_interruptible_unsafe(timeout)	\
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+	schedule_timeout_interruptible(timeout)
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+
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 #define freezable_schedule_timeout_killable(timeout)			\
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 	schedule_timeout_killable(timeout)
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