diff options
Diffstat (limited to 'test-file-zero-alloc-speed.c')
| -rw-r--r-- | test-file-zero-alloc-speed.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/test-file-zero-alloc-speed.c b/test-file-zero-alloc-speed.c index 73a7975..8081c74 100644 --- a/test-file-zero-alloc-speed.c +++ b/test-file-zero-alloc-speed.c @@ -99,9 +99,9 @@ int do_mmap(char *name, off_t len) return -1; } /* memset has to have the mmap'ed file backed by something on - * disk -- bus error otherwise */ - lseek(fd, len - 1, SEEK_SET); - write(fd, "0", 1); + * disk -- bus error otherwise + */ + ftruncate(fd, len); addr = mmap(NULL, len, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0); if (addr == MAP_FAILED) { |