Hi Cyril, Vlastimil, thanks for your time, merged! > Hi! > > + ret = fallocate(fd, 0, 0, mmap_size); > > + if (ret == -1) > > + tst_brk(TBROK, "fallocate() failed"); > I'm slightly surprised that we do not have SAFE_FALLOCATE(). It's on my todo list. Kind regards, Petr