mozilla/rr — pull request #733 by cgjones (2014-02-22 03:53:24+00:00)
Title: Remove confusion over offset_*pages* vs offset_*bytes*, introduced by mm...

...ap2 interface.

This is needed for #217 and #732, because they change librrpreload.so in such a way that it's mapped with an offset, and our mmap cache code doesn't handle that properly (confuses it for a byte offset).