try_to_free_pages  374 fs/buffer.c    			try_to_free_pages(node_zonelist(nid, GFP_NOFS), 0,
try_to_free_pages  184 include/linux/swap.h extern unsigned long try_to_free_pages(struct zonelist *zonelist, int order,
try_to_free_pages 1554 mm/page_alloc.c 	did_some_progress = try_to_free_pages(zonelist, order, gfp_mask);