--- zzzz-none-000/linux-4.4.271/include/linux/rhashtable.h	2021-06-03 06:22:09.000000000 +0000
+++ maple-fsgw-759/linux-4.4.271/include/linux/rhashtable.h	2023-12-20 10:37:36.000000000 +0000
@@ -347,7 +347,8 @@
 					    void **data);
 int rhashtable_insert_rehash(struct rhashtable *ht, struct bucket_table *tbl);
 
-int rhashtable_walk_init(struct rhashtable *ht, struct rhashtable_iter *iter);
+int rhashtable_walk_init(struct rhashtable *ht, struct rhashtable_iter *iter,
+			gfp_t gfp);
 void rhashtable_walk_exit(struct rhashtable_iter *iter);
 int rhashtable_walk_start(struct rhashtable_iter *iter) __acquires(RCU);
 void *rhashtable_walk_next(struct rhashtable_iter *iter);