PERFORCE change 32451 for review

Juli Mallett jmallett at FreeBSD.org
Mon Jun 2 22:29:06 PDT 2003


http://perforce.freebsd.org/chv.cgi?CH=32451

Change 32451 by jmallett at jmallett_dalek on 2003/06/02 22:28:50

	Use a better pagesize for hardware.

Affected files ...

.. //depot/projects/mips/sys/mips/include/param.h#11 edit

Differences ...

==== //depot/projects/mips/sys/mips/include/param.h#11 (text+ko) ====

@@ -10,10 +10,11 @@
 #endif
 
 /*
- * We use an 8K page on MIPS systems.  Override PAGE_* definitions
- * to compile-time constants.
+ * We use a 4K page on MIPS systems.  Override PAGE_* definitions
+ * to compile-time constants.  4K means we don't have to set up
+ * PageMask, and our VPNs line up nicely.
  */
-#define	PAGE_SHIFT	13
+#define	PAGE_SHIFT	12
 #define	PAGE_SIZE	(1 << PAGE_SHIFT)
 #define	PAGE_MASK	(PAGE_SIZE - 1)
 


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