113     size_t size = 0x40000000;  in malloc_test()  local
114     while (size) {  in malloc_test()
115         void* addr = malloc(size);  in malloc_test()
117             printf("size = %9zd failed\n", size);  in malloc_test()
118             size >>= 1;  in malloc_test()
120             total += size;  in malloc_test()
122                     size, addr, total, total / (1024*1024));  in malloc_test()
126                 memset(addr, 0, size);  in malloc_test()
128             size = size + (size>>1);  in malloc_test()
137         size_t size = i==0 ? 4096 : 48*1024*1024; // 48 MB  in madvise_test()  local
138         printf("Allocating %zd MB... ", size/(1024*1024)); fflush(stdout);  in madvise_test()
139         void* addr1 = mmap(0, size, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0);  in madvise_test()
143         memset(addr1, 0x55, size);  in madvise_test()
146         madvise(addr1, size, MADV_DONTNEED);  in madvise_test()
157         printf("Allocating %zd MB... ", size/(1024*1024)); fflush(stdout);  in madvise_test()
158         void* addr2 = mmap(0, size, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0);  in madvise_test()
162         memset(addr2, 0xAA, size);  in madvise_test()
165         munmap(addr2, size);  in madvise_test()
168         memset(addr1, 0x55, size);  in madvise_test()
171         munmap(addr1, size);  in madvise_test()