sys/uvm/uvm_addr.c

222     vaddr_t low_addr, vaddr_t high_addr, vsize_t sz,
229 	if (low_addr > high_addr)
231 	fspace = high_addr - low_addr;
244 	if (high_addr - after_gap - sz < low_addr)
250 	high_addr -= after_gap + sz;
251 	high_addr = uvm_addr_align_backward(tmp = high_addr, align, offset);
252 	if (high_addr > tmp)	/* Overflow during alignment. */
254 	if (low_addr > high_addr)
258 	*max_result = high_addr;
313 	vaddr_t			 low_addr, high_addr;
347 		if (uvm_addr_fitspace(&low_addr, &high_addr,
352 			if (hint >= low_addr && hint <= high_addr) {
356 				    low_addr : high_addr);
531 	vaddr_t			 low_addr, high_addr;
590 		    uvm_addr_fitspace(&low_addr, &high_addr,
595 			if (hint >= low_addr && hint <= high_addr)