from netbsd:
authorderaadt <deraadt@openbsd.org>
Fri, 15 Dec 1995 13:50:37 +0000 (13:50 +0000)
committerderaadt <deraadt@openbsd.org>
Fri, 15 Dec 1995 13:50:37 +0000 (13:50 +0000)
commit3728bb492d03f40a1b745d3a396dde34ab1c8719
tree3036fca30f312f747a6f6329c68575513acb55a9
parentb26e494a0c26b4ad8c4e7fedac793f901d602015
from netbsd:
Prevent possible race condition in ctx_alloc().
Remove some bogus casts
Make pmap_prefer() also return a preferred virtual address when there's no
associated physical page
sys/arch/sparc/sparc/pmap.c