Jason Thorpe <thorpej@nas.nasa.gov> writes:
> On Sun, 21 Nov 1999 22:40:40 +0100 (MET) 
>  Anders Magnusson <ragge@ludd.luth.se> wrote:
> 
>  > Now you came up with something else: PAGE_SIZE as a variable instead of
>  > a constant create lots of unneccessary code, especially in complex
>  > expressions that otherwise could be optimized away by the compiler.
>  > What is the reason to have it as a variable instead of a constant?
>  > Can there ever be a benefit from this?
> 
> "Because that's the way Mach VM hid MI vs. MD page size"?  :-)

Uh, that's not a benefit.  but there are benefits.

e.g. LKMs for multiple m68k platforms.  the MD page sizes may differ.


cgd
-- 
Chris Demetriou - cgd@netbsd.org - http://www.netbsd.org/People/Pages/cgd.html
Disclaimer: Not speaking for NetBSD, just expressing my own opinion.