959 struct page_state {  struct
965 	int (*action)(struct page_state *ps, struct page *p);  argument
974 static bool has_extra_refcount(struct page_state *ps, struct page *p,  in has_extra_refcount()
996 static int me_kernel(struct page_state *ps, struct page *p)  in me_kernel()
1005 static int me_unknown(struct page_state *ps, struct page *p)  in me_unknown()
1015 static int me_pagecache_clean(struct page_state *ps, struct page *p)  in me_pagecache_clean()
1074 static int me_pagecache_dirty(struct page_state *ps, struct page *p)  in me_pagecache_dirty()
1140 static int me_swapcache_dirty(struct page_state *ps, struct page *p)  in me_swapcache_dirty()
1161 static int me_swapcache_clean(struct page_state *ps, struct page *p)  in me_swapcache_clean()
1183 static int me_huge_page(struct page_state *ps, struct page *p)  in me_huge_page()
1240 static struct page_state error_states[] = {
1335 static int page_action(struct page_state *ps, struct page *p,  in page_action()
1657 	struct page_state *ps;  in identify_page_state()