It's now unused.

Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
---
 include/linux/proc_ns.h | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/include/linux/proc_ns.h b/include/linux/proc_ns.h
index dbb119bda097..e50d312f9fee 100644
--- a/include/linux/proc_ns.h
+++ b/include/linux/proc_ns.h
@@ -66,12 +66,6 @@ static inline void proc_free_inum(unsigned int inum) {}
 
 #endif /* CONFIG_PROC_FS */
 
-static inline int ns_alloc_inum(struct ns_common *ns)
-{
-	WRITE_ONCE(ns->stashed, NULL);
-	return proc_alloc_inum(&ns->inum);
-}
-
 static inline int ns_common_init(struct ns_common *ns,
 				 const struct proc_ns_operations *ops,
 				 bool alloc_inum)

-- 
2.47.3