LT> Oh, well.. Based on what the arca-[678] patches did, there's now a pre-5
LT> out there. Not very similar, but it should incorporate the basic idea:
LT> namely much more aggressively asynchronous swap-outs from a process
LT> context.
LT> Comment away,
1) With your comments on PG_dirty/(what shrink_mmap should do) you
have worked out what needs to happen for the mapped in memory case,
and I haven't quite gotten there. Thank You.
2) I have tested using PG_dirty from shrink_mmap and it is a
performance problem because it loses all locality of reference,
and because it forces shrink_mmap into a dual role, of freeing and
writing pages, which need seperate tuning.
Linus is this a case you feel is important to tune for 2.2?
If so I would be happy to play with it.
Eric
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