private to cache_ban.c, so inline it there.

apply to individual pools.

precisely.

It does not make sense to specify less that 1M of storage, so error
out if a user specifies -smalloc,512 for instance.  They probably
meant -smalloc,512M, but require them to be explicit.

Adjust C00027 test case to match

reworked from a commit to 2.1 by Bjørn Ruberg.

Also removed the $Id$, which was both incorrect and now obsolete.