__ulong
__ulong(map_extra, (1ull << 32)); /* start of mmap() region */
__ulong(map_extra, (1ull << 44)); /* start of mmap() region */
__ulong(map_extra, 0x1ull << 32); /* start of mmap() region */
__ulong(map_extra, 0x1ull << 44); /* start of mmap() region */
__ulong(map_extra, 0x1ull << 32); /* start of mmap() region */
__ulong(map_extra, 0x1ull << 44); /* start of mmap() region */
__ulong(map_extra, 0x1ull << 32); /* start of mmap() region */
__ulong(map_extra, 0x1ull << 44); /* start of mmap() region */
__ulong(map_extra, (1ull << 32) | (~0u - __PAGE_SIZE * 2 + 1)); /* start of mmap() region */
__ulong(map_extra, (1ull << 44) | (~0u - __PAGE_SIZE * 2 + 1)); /* start of mmap() region */
__ulong(map_extra, (1ull << 32) | (~0u - __PAGE_SIZE * ARENA_PAGES + 1));
__ulong(map_extra, (1ull << 44) | (~0u - __PAGE_SIZE * ARENA_PAGES + 1));
__ulong(map_extra, (1ull << 32) | (~0u - __PAGE_SIZE * ARENA_PAGES + 1));
__ulong(map_extra, (1ull << 44) | (~0u - __PAGE_SIZE * ARENA_PAGES + 1));