Bracket each page in a save/restore pair. This is suggested by the Red Book,
authorben <ben@cda61777-01e9-0310-a592-d414129be87e>
Tue, 21 Sep 2004 15:23:22 +0000 (15:23 +0000)
committerben <ben@cda61777-01e9-0310-a592-d414129be87e>
Tue, 21 Sep 2004 15:23:22 +0000 (15:23 +0000)
commitae52aa5d5a68e95aec1e2cb68095d3f5807189a0
tree371bd7d663fba477f84cb8b26ec5d5e6b6a6556c
parent67f13fa7f272e64646e0777e5f184a2926787081
Bracket each page in a save/restore pair.  This is suggested by the Red Book,
enforces page independence, avoids leaking VM on level 1 interpreters, and
speeds things up to boot.

git-svn-id: svn://svn.tartarus.org/sgt/halibut@4561 cda61777-01e9-0310-a592-d414129be87e
bk_ps.c