Patch 0.23pre4 for 2.4.18

A new patch featuring some cleanups and performance improvements is out. Its performance features are related to the watermarks used by VM system to decide how many free pages have to be available to the system at any moment. There's also a bug fix and improvements regarding swap buffer.

Notes:
http://sourceforge.net/project/shownotes.php?release_id=45561

Download:
http://prdownloads.sourceforge.net/linuxcompressed/patch-comp-cache-2.4.18-0.23pre4.bz2