free_area_empty 1894 mm/compaction.c if (!free_area_empty(area, migratetype)) free_area_empty 1900 mm/compaction.c !free_area_empty(area, MIGRATE_CMA)) free_area_empty 2491 mm/page_alloc.c if (free_area_empty(area, fallback_mt)) free_area_empty 3461 mm/page_alloc.c if (!free_area_empty(area, mt)) free_area_empty 3467 mm/page_alloc.c !free_area_empty(area, MIGRATE_CMA)) { free_area_empty 5417 mm/page_alloc.c if (!free_area_empty(area, type))