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Just remove it. Signed-off-by: Yiyang Chen --- include/linux/taskstats_kern.h | 1 - 1 file changed, 1 deletion(-) diff --git a/include/linux/taskstats_kern.h b/include/linux/taskstats_kern.h index dbb4d124c7d7..995cd19b56c1 100644 --- a/include/linux/taskstats_kern.h +++ b/include/linux/taskstats_kern.h @@ -14,7 +14,6 @@ #ifdef CONFIG_TASKSTATS extern struct kmem_cache *taskstats_cache; -extern struct mutex taskstats_exit_mutex; static inline void taskstats_tgid_free(struct signal_struct *sig) { -- 2.43.0