s_n_d            1522 mm/ksm.c       static __always_inline struct page *chain_prune(struct stable_node **s_n_d,
s_n_d            1526 mm/ksm.c       	return __stable_node_chain(s_n_d, s_n, root, true);
s_n_d            1529 mm/ksm.c       static __always_inline struct page *chain(struct stable_node **s_n_d,
s_n_d            1536 mm/ksm.c       	tree_page = __stable_node_chain(s_n_d, &s_n, root, false);