page_zone         250 include/linux/page-flags.h #define PageHighMem(__p) is_highmem(page_zone(__p))
page_zone         250 include/linux/vmstat.h 	__inc_zone_state(page_zone(page), item);
page_zone         256 include/linux/vmstat.h 	__dec_zone_state(page_zone(page), item);