OPT_ZONE_DMA 228 include/linux/gfp.h | (OPT_ZONE_DMA << ___GFP_DMA * ZONES_SHIFT) \ OPT_ZONE_DMA 232 include/linux/gfp.h | (OPT_ZONE_DMA << (___GFP_MOVABLE | ___GFP_DMA) * ZONES_SHIFT) \