Hi, On Tue, 4 Oct 2016, Jeff King wrote: > On Tue, Oct 04, 2016 at 11:08:48AM -0400, Rich Felker wrote: > > > 1. is nonzero mod page size, it just works; the remainder of the last > > page reads as zero bytes when mmapped. > > Is that a portable assumption? No. Ciao, Dscho