>   Modified Files:
>   	src/sys/compat/ibcs2: ibcs2_misc.c
>   	src/sys/compat/sunos: sunos_misc.c
>   	src/sys/compat/sunos32: sunos32_misc.c
>   	src/sys/compat/svr4: svr4_misc.c
>   	src/sys/compat/svr4_32: svr4_32_misc.c
>   	src/sys/compat/ultrix: ultrix_misc.c
>   
>   Log Message:
>   No need to pick a "default address" for mmap in compat code, since we
>   merely call sys_mmap() at the end anyway, and that will pick the
>   address for us, if it's needed.
>   
>   Likewise for checking if /dev/zero is being mapped.
>
>did you actually test any of this?  please do!  if there is a problem
>this change will basically completely break these emulations.

nope.  i'm gonna test what i can on my sparc, but that's probably a a
couple of days or so away at best.  and i never got the emulation
working satisfactorially, so that's an added obstacle.  as an aside,
it's interesting to note that i can't null mount my /solaris/usr
(mounted read-only so that when i reboot into solaris is doesn't get
angry) over onto /emul/sunos/usr.  ah...a symlink works!  i wonder why
i never tried that before...

okay.  now to make some testing.

>thanks!

not a problem.  :)

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