153 	vm_offset_t firstaddr;  in vm_ksubmap_init()  local
173 	firstaddr = 0;  in vm_ksubmap_init()
175 	v = (caddr_t)firstaddr;  in vm_ksubmap_init()
189 	if (firstaddr == 0) {  in vm_ksubmap_init()
196 		firstaddr = kmem_alloc_attr(size, M_ZERO | M_NOWAIT,  in vm_ksubmap_init()
198 		if (firstaddr == 0)  in vm_ksubmap_init()
200 			firstaddr = kmem_malloc(size, M_ZERO | M_WAITOK);  in vm_ksubmap_init()
201 		if (firstaddr == 0)  in vm_ksubmap_init()
209 	if ((vm_size_t)((char *)v - firstaddr) != size)  in vm_ksubmap_init()
216 	kmi->clean_sva = firstaddr = kva_alloc(size);  in vm_ksubmap_init()
217 	kmi->clean_eva = firstaddr + size;  in vm_ksubmap_init()
226 	kmi->buffer_sva = firstaddr;  in vm_ksubmap_init()
230 	firstaddr += size;  in vm_ksubmap_init()
238 		    firstaddr, size, PAGE_SIZE, 0, 0);  in vm_ksubmap_init()
239 		firstaddr += size;  in vm_ksubmap_init()
241 	if (firstaddr != kmi->clean_eva)  in vm_ksubmap_init()