167ff2186SRichard Henderson /* 267ff2186SRichard Henderson * Test very large vma allocations. 367ff2186SRichard Henderson * The qemu out-of-memory condition was within the mmap syscall itself. 467ff2186SRichard Henderson * If the syscall actually returns with MAP_FAILED, the test succeeded. 567ff2186SRichard Henderson */ 667ff2186SRichard Henderson #include <sys/mman.h> 767ff2186SRichard Henderson main()867ff2186SRichard Hendersonint main() 967ff2186SRichard Henderson { 1067ff2186SRichard Henderson int n = sizeof(size_t) == 4 ? 32 : 45; 1167ff2186SRichard Henderson 1267ff2186SRichard Henderson for (int i = 28; i < n; i++) { 1367ff2186SRichard Henderson size_t l = (size_t)1 << i; 1467ff2186SRichard Henderson void *p = mmap(0, l, PROT_NONE, 1567ff2186SRichard Henderson MAP_PRIVATE | MAP_ANONYMOUS | MAP_NORESERVE, -1, 0); 1667ff2186SRichard Henderson if (p == MAP_FAILED) { 1767ff2186SRichard Henderson break; 1867ff2186SRichard Henderson } 1967ff2186SRichard Henderson munmap(p, l); 2067ff2186SRichard Henderson } 2167ff2186SRichard Henderson return 0; 2267ff2186SRichard Henderson } 23