435 	struct mem_range_desc *mrdesc;  in lkpi_arch_phys_wc_add()  local
442 	mrdesc = malloc(sizeof(*mrdesc), M_LKMTRR, M_WAITOK);  in lkpi_arch_phys_wc_add()
443 	mrdesc->mr_base = base;  in lkpi_arch_phys_wc_add()
444 	mrdesc->mr_len = size;  in lkpi_arch_phys_wc_add()
445 	mrdesc->mr_flags = MDF_WRITECOMBINE;  in lkpi_arch_phys_wc_add()
446 	strlcpy(mrdesc->mr_owner, "drm", sizeof(mrdesc->mr_owner));  in lkpi_arch_phys_wc_add()
448 	error = mem_range_attr_set(mrdesc, &act);  in lkpi_arch_phys_wc_add()
450 		error = idr_get_new(&mtrr_idr, mrdesc, &id);  in lkpi_arch_phys_wc_add()
451 		MPASS(idr_find(&mtrr_idr, id) == mrdesc);  in lkpi_arch_phys_wc_add()
454 			mem_range_attr_set(mrdesc, &act);  in lkpi_arch_phys_wc_add()
458 		free(mrdesc, M_LKMTRR);  in lkpi_arch_phys_wc_add()
477 	struct mem_range_desc *mrdesc;  in lkpi_arch_phys_wc_del()  local
484 	mrdesc = idr_find(&mtrr_idr, reg - __MTRR_ID_BASE);  in lkpi_arch_phys_wc_del()
485 	MPASS(mrdesc != NULL);  in lkpi_arch_phys_wc_del()
488 	mem_range_attr_set(mrdesc, &act);  in lkpi_arch_phys_wc_del()
489 	free(mrdesc, M_LKMTRR);  in lkpi_arch_phys_wc_del()