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);