lru_cache_add     331 include/linux/swap.h extern void lru_cache_add(struct page *);
lru_cache_add     959 mm/filemap.c   		lru_cache_add(page);
lru_cache_add     472 mm/swap.c      	lru_cache_add(page);
lru_cache_add    1020 mm/vmscan.c    	lru_cache_add(page);