Module Name:	src
Committed By:	thorpej
Date:		Tue Feb  2 21:06:56 UTC 1999

Modified Files:
	src/sys/arch/hp300/hp300: pmap.c
	src/sys/arch/hp300/include: pmap.h
Log Message:
Implement pmap_prefer() for systems w/ an HP MMU (which has a virtually-tagged
cache).  This helps to avoid cache alias problems, and can improve performance
in the case where physical pages have multiple mappings (since the pages will
not have to be marked cache-inhibited).