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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