MPUIR_DREGION_SZMASK  323 arch/arm/mm/pmsa-v7.c 	dregions = iregions = (mpuir & MPUIR_DREGION_SZMASK) >> MPUIR_DREGION;
MPUIR_DREGION_SZMASK  135 arch/arm/mm/pmsa-v8.c 	max_regions  = (mpuir & MPUIR_DREGION_SZMASK) >> MPUIR_DREGION;