On Wed, Nov 10, 2010 at 18:25, Jed Brown <j...@59a2.org> wrote: > Is the memcpy-back code ever executed when called as memcpy()? I can't > imagine why it would be, but it would make plenty of sense to use it inside > memmove when the destination is at a higher address than the source.
Apparently the backward memcpy is actually used, but I still don't know why and neither does Linus: https://bugzilla.redhat.com/show_bug.cgi?id=638477#c46 Jed