[OLPC-devel] Announce: Compressed cache 'pre-alpha-001' release :)

[Nitin Gupta]

Hi All,

This is the patch for compressed caching feature against 2.6.18-rc2 :)
(Its taken from git branch 'simple_lock_structure')

* What is does
-- compress anon (only anon not page-cache pages now) pages cyclically
using WKdm and WK4x4.
-- Store these pages in compression structure as desc. on Wiki.

Do not expect any performance improvements now...I found it to be just
stable enough after integrating the compression structure. In fact, it
will give perf. heart attack to your system ;)  because of simplified
locking scheme it uses in lookup functions (I'm working on this).

Please let me know if it crashes on you system. I will keep
stabilizing it in 'simple_lock_structure' branch while I'm trying to
get better locking scheme working in 'better_locking' branch. Finally,
I'll merge these two, to get fully functional ccache for anon pages.
(I hope to have support for page cache pages shortly after that).

Cheers,
Nitin Gupta
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