Don't read anything from the disk for a segment with p_filesz == 0.
[pintos-anon] / specs /
2004-09-26 Ben PfaffFix name.
2004-09-26 Ben PfaffNot really relevant, removed.
2004-09-26 Ben PfaffRemove Intel reference manuals.
2004-09-08 Ben PfaffSpecifications.