svn commit: r187428 - in stable/7/sys: . amd64/include contrib/pf dev/ath/ath_hal dev/cxgb

[Alan Cox]

Author: alc
Date: Mon Jan 19 07:44:18 2009
New Revision: 187428
URL: http://svn.freebsd.org/changeset/base/187428

Log:
  MFC rev 180108
    Compute NKPDPE from NKPT.  This reduces the number of knobs that must be
    turned in order to change the size of the kernel virtual address space.

Modified:
  stable/7/sys/   (props changed)
  stable/7/sys/amd64/include/pmap.h
  stable/7/sys/contrib/pf/   (props changed)
  stable/7/sys/dev/ath/ath_hal/   (props changed)
  stable/7/sys/dev/cxgb/   (props changed)

Modified: stable/7/sys/amd64/include/pmap.h
==============================================================================
--- stable/7/sys/amd64/include/pmap.h	Mon Jan 19 07:18:32 2009	(r187427)
+++ stable/7/sys/amd64/include/pmap.h	Mon Jan 19 07:44:18 2009	(r187428)
@@ -109,7 +109,7 @@
 #endif
 
 #define NKPML4E		1		/* number of kernel PML4 slots */
-#define NKPDPE		1		/* number of kernel PDP slots */
+#define NKPDPE		howmany(NKPT, NPDEPG)/* number of kernel PDP slots */
 
 #define	NUPML4E		(NPML4EPG/2)	/* number of userland PML4 pages */
 #define	NUPDPE		(NUPML4E*NPDPEPG)/* number of userland PDP pages */