PAGES_FOR_IO 1089 kernel/power/snapshot.c nr_pages, PAGES_FOR_IO, meta, free); PAGES_FOR_IO 1091 kernel/power/snapshot.c return free > nr_pages + PAGES_FOR_IO + meta; PAGES_FOR_IO 368 kernel/power/swap.c return free_swap > nr_pages + PAGES_FOR_IO; PAGES_FOR_IO 229 kernel/power/swsusp.c size = count_data_pages() + PAGES_FOR_IO + SPARE_PAGES;