ZS_MM_RO         1249 drivers/block/zram/zram_drv.c 	src = zs_map_object(zram->mem_pool, handle, ZS_MM_RO);
ZS_MM_RO          422 mm/zsmalloc.c  		zs_mm = ZS_MM_RO;
ZS_MM_RO         1212 mm/zsmalloc.c  	if (area->vm_mm == ZS_MM_RO)