[MERGE/CHK] Use the page cache during 'check_remap'

[Ian Clatworthy]

Ian Clatworthy has voted approve.
Status is now: Approved


For details, see: 
http://bundlebuggy.aaronbentley.com/project/bzr/request/%3C49526A3F.4000207%40arbash-meinel.com%3E
Project: Bazaar