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SubjectRe: Memory compression (again). . help?
John Richard Moser wrote:
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> I'm not quite sure what I'm doing or when I have time, but I'm looking
> into writing in some hooks and a compression routine to manage
> compressed memory. I have the following considerations:
>
> - Compressed memory should become "Swap." This means the kernel would
> report memory used for compressed storage as used swap. At boot it
> would reflect 0K swap; when there are 1024KiB of pages compressed in
> memory, 1024KiB of additional "swap" is reported, all used.
> - I need to stop the kernel when it's about to swap. This should be
> done when it's decided that either invalidating disk cache or
> swapping is the best course of action, and what to do with what. At
> this point I'll have to be able to see what the kernel wants to swap
> out and tell it that it's taken care of.
> - I need to catch invalid pagefaults that look for swap, as well as the
> disk cache mechanism. I'll be adding stuff to compress disk cache,
> so disk cache might need to be "swapped in" effectively.

If you are OK with using a ery old 2.4.18 kernel, look at
http://linuxcompressed.sourceforge.net/

--
Alexander E. Patrakov
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