- } else if (td->mem_type == MEM_MMAP) {
- td->orig_buffer = mmap(NULL, td->orig_buffer_size, PROT_READ | PROT_WRITE, MAP_PRIVATE | OS_MAP_ANON, 0, 0);
+ } else if (td->o.mem_type == MEM_MMAP ||
+ td->o.mem_type == MEM_MMAPHUGE) {
+ int flags = MAP_PRIVATE;
+
+ td->mmapfd = 0;
+
+ if (td->mmapfile) {
+ td->mmapfd = open(td->mmapfile, O_RDWR|O_CREAT, 0644);
+
+ if (td->mmapfd < 0) {
+ td_verror(td, errno, "open mmap file");
+ td->orig_buffer = NULL;
+ return 1;
+ }
+ if (ftruncate(td->mmapfd, td->orig_buffer_size) < 0) {
+ td_verror(td, errno, "truncate mmap file");
+ td->orig_buffer = NULL;
+ return 1;
+ }
+ } else
+ flags |= OS_MAP_ANON;
+
+ td->orig_buffer = mmap(NULL, td->orig_buffer_size, PROT_READ | PROT_WRITE, flags, td->mmapfd, 0);