511 	vmmr_region_t *region;  in vmmr_alloc()  local
512 	region = kmem_zalloc(sizeof (vmmr_region_t), KM_SLEEP);  in vmmr_alloc()
513 	avl_create(&region->vr_spans, vmmr_cmp_region_addr,  in vmmr_alloc()
515 	region->vr_size = sz;  in vmmr_alloc()
530 		avl_add(&region->vr_spans, span);  in vmmr_alloc()
541 		region->vr_transient = true;  in vmmr_alloc()
543 	list_insert_tail(&vmmr_alloc_regions, region);  in vmmr_alloc()
546 	*resp = region;  in vmmr_alloc()
551 vmmr_region_mem_at(vmmr_region_t *region, uintptr_t off)  in vmmr_region_mem_at()  argument
554 	return (hat_kpm_pfn2va(vmmr_region_pfn_at(region, off)));  in vmmr_region_mem_at()
558 vmmr_region_pfn_at(vmmr_region_t *region, uintptr_t off)  in vmmr_region_pfn_at()  argument
561 	VERIFY3U(off, <, region->vr_size);  in vmmr_region_pfn_at()
567 	vmmr_span_t *span = avl_find(&region->vr_spans, &search, &where);  in vmmr_region_pfn_at()
570 		span = avl_nearest(&region->vr_spans, where, AVL_BEFORE);  in vmmr_region_pfn_at()
580 vmmr_free(vmmr_region_t *region)  in vmmr_free()  argument
583 	if (!region->vr_transient) {  in vmmr_free()
584 		VERIFY3U(region->vr_size, <=, vmmr_alloc_sz);  in vmmr_free()
586 		VERIFY3U(region->vr_size, <=, vmmr_alloc_transient_sz);  in vmmr_free()
588 	list_remove(&vmmr_alloc_regions, region);  in vmmr_free()
592 	for (uintptr_t off = 0; off < region->vr_size; off += PAGESIZE) {  in vmmr_free()
593 		bzero(vmmr_region_mem_at(region, off), PAGESIZE);  in vmmr_free()
601 	while ((span = avl_destroy_nodes(&region->vr_spans, &cookie)) != NULL) {  in vmmr_free()
605 	avl_destroy(&region->vr_spans);  in vmmr_free()
606 	if (!region->vr_transient) {  in vmmr_free()
607 		vmmr_free_sz += region->vr_size;  in vmmr_free()
608 		vmmr_alloc_sz -= region->vr_size;  in vmmr_free()
610 		vmmr_free_transient_sz += region->vr_size;  in vmmr_free()
611 		vmmr_alloc_transient_sz -= region->vr_size;  in vmmr_free()
614 	if (region->vr_transient) {  in vmmr_free()
619 		VERIFY0(vmmr_remove(region->vr_size, true));  in vmmr_free()
621 	kmem_free(region, sizeof (*region));  in vmmr_free()