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policy to be a bit more selective about what processes get swapped out.
Reviewed by: John Dyson
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paging stats. Fixed problem with free_reserved becoming depleted during
certain swap_pager operations.
Submitted by: John Dyson, with a little help from me
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FreeBSD's paging performance has never been better. Wow.
Submitted by: John Dyson
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using min() to calculate the minimum of rss_cur,rss_max - since these
are now quad_t's and min() takes u_ints...the comparison later for exceeding
the rss limit was always true - resulting in rather serious page thrashing.
Now using new qmin() function for this purpose.
Fixed another bug where PG_BUSY pages would sometimes be paged out (bad!).
This was caused by the PG_BUSY flag not being included in a comparison.
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- Delete redundant declarations.
- Add -Wredundant-declarations to Makefile.i386 so they don't come back.
- Delete sloppy COMMON-style declarations of uninitialized data in
header files.
- Add a few prototypes.
- Clean up warnings resulting from the above.
NB: ioconf.c will still generate a redundant-declaration warning, which
is unavoidable unless somebody volunteers to make `config' smarter.
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improvements via the new routines pmap_qenter/pmap_qremove and pmap_kenter/
pmap_kremove. These routine allow fast mapping of pages for those
architectures that have "normal" MMUs. Also included is a fix to the
pageout daemon to properly check a queue end condition.
Submitted by: John Dyson
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adjustments to compensate for a world without the pagescan daemon.
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held. John has noticed some stability problems when doing this.
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Reviewed by: Rodney W. Grimes
Submitted by: John Dyson and David Greenman
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