MIGRATE_PFN_WRITE 2276 mm/migrate.c mpfn |= MIGRATE_PFN_WRITE; MIGRATE_PFN_WRITE 2286 mm/migrate.c mpfn |= pte_write(pte) ? MIGRATE_PFN_WRITE : 0; MIGRATE_PFN_WRITE 2320 mm/migrate.c MIGRATE_PFN_WRITE);