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-rw-r--r--include/linux/taskstats_kern.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/taskstats_kern.h b/include/linux/taskstats_kern.h
index bd0ecb969c26..fc9da2e26443 100644
--- a/include/linux/taskstats_kern.h
+++ b/include/linux/taskstats_kern.h
@@ -17,6 +17,7 @@ enum {
#ifdef CONFIG_TASKSTATS
extern kmem_cache_t *taskstats_cache;
+extern struct mutex taskstats_exit_mutex;
static inline void taskstats_exit_alloc(struct taskstats **ptidstats,
struct taskstats **ptgidstats)