SWP_MIGRATION_WRITE 109 include/linux/swapops.h return swp_entry(write ? SWP_MIGRATION_WRITE : SWP_MIGRATION_READ, SWP_MIGRATION_WRITE 116 include/linux/swapops.h swp_type(entry) == SWP_MIGRATION_WRITE); SWP_MIGRATION_WRITE 121 include/linux/swapops.h return unlikely(swp_type(entry) == SWP_MIGRATION_WRITE);