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2024-05-10 748e4f3d702def1a4bff191e0cf93b6a05340f01

 kernel/include/linux/signal.h
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@@ -265,7 +265,6 @@
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 }
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 extern void flush_sigqueue(struct sigpending *queue);
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-extern void flush_task_sigqueue(struct task_struct *tsk);
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 /* Test if 'sig' is valid signal. Use this instead of testing _NSIG directly */
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 static inline int valid_signal(unsigned long sig)