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freebsd-nq/sys/powerpc
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Peter Grehan 4daf20b2f1 Increase kernel VA from 256Mb to 512Mb by shifting the segment used 
for user copyinout down to 12, and keeping segments 13/14 for
kernel VA.

It would be nice to have more available, but segments lower than
this are reserved for either memory or 1:1 mapped device i/o,
and seg 15 is OpenFirmware ROM. Also, the effort to keep OpenFirmware
available for callbacks limits the use of VA-mapped segments.
Fortunately UMA_MD_SMALL_ALLOC takes away a lot of VM pressure.

Obtained from:  NetBSD
2004-03-02 06:49:21 +00:00
..
aim Increase kernel VA from 256Mb to 512Mb by shifting the segment used 2004-03-02 06:49:21 +00:00
compile
conf - Recruit some new ULE users by making it the default scheduler in GENERIC. 2004-01-24 21:38:52 +00:00
include Increase kernel VA from 256Mb to 512Mb by shifting the segment used 2004-03-02 06:49:21 +00:00
ofw Correctly create interrupt key for PCI, which is the OpenFirmware 2004-02-10 23:57:35 +00:00
powermac Bring to working PIO state. 2004-02-29 06:01:16 +00:00
powerpc Increase kernel VA from 256Mb to 512Mb by shifting the segment used 2004-03-02 06:49:21 +00:00
psim - fixed trailing whitespace and indentation 2004-02-11 07:58:43 +00:00