- while (1) {
- if (addr > end_addr) {
- if (looped) {
- return (abi_ulong)-1;
- }
- end_addr = reserved_va + 1;
- addr = end_addr - qemu_host_page_size;
- looped = 1;
- continue;
- }
- prot = page_get_flags(addr);
- if (prot) {
- end_addr = addr;
- }
- if (end_addr - addr >= size) {
- break;
- }
- addr -= qemu_host_page_size;
+ ret = page_find_range_empty(start, reserved_va, size, alignment);
+ if (ret == -1 && start > TARGET_PAGE_SIZE) {
+ /* Restart at the beginning of the address space. */
+ ret = page_find_range_empty(TARGET_PAGE_SIZE, start - 1,
+ size, alignment);