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Hi All,

Since pmap_collect wasn't implemented, noone seemed to be working on it,
and I had a night off, I made a first implementation of it. It works happy
now, allthough it's not fully tested; i.e. does it really removes the L1
pages? I hope so! 

The implementation is based on snooping the other architectures. I found a
usefull simple implementation in the mac68k port. Dunno about it's
efficiency though. Maybe it's just a ``it has to work'' implementation
instead of a neatly tailored piece of code. 

I attached the diff of /usr/src/sys/arch/arm32/arm32/pmap.c to this mail
for others to test...

Since I've got no access to -current, could anybody apply this diff to
-current when confirmed OK? 

Cheers,

Reinoud

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