PB_migrate         78 include/linux/mmzone.h #define NR_MIGRATETYPE_BITS (PB_migrate_end - PB_migrate + 1)
PB_migrate         87 include/linux/mmzone.h 	BUILD_BUG_ON(PB_migrate_end - PB_migrate != 2);
PB_migrate         31 include/linux/pageblock-flags.h 	PB_migrate_end = PB_migrate + 3 - 1,