svn commit: r192469 - stable/7/sys/amd64/include

[Kip Macy]

Author: kmacy
Date: Wed May 20 20:02:40 2009
New Revision: 192469
URL: http://svn.freebsd.org/changeset/base/192469

Log:
  increase kmem map to 512GB
  
  discussed with: alc

Modified:
  stable/7/sys/amd64/include/vmparam.h

Modified: stable/7/sys/amd64/include/vmparam.h
==============================================================================
--- stable/7/sys/amd64/include/vmparam.h	Wed May 20 20:00:40 2009	(r192468)
+++ stable/7/sys/amd64/include/vmparam.h	Wed May 20 20:02:40 2009	(r192469)
@@ -154,8 +154,7 @@
  * 0xffff800000000000 - 0xffff804020100fff   recursive page table (512GB slot)
  * 0xffff804020101000 - 0xfffffeffffffffff   unused
  * 0xffffff0000000000 - 0xffffff7fffffffff   512GB direct map mappings
- * 0xffffff8000000000 - 0xfffffffe7fffffff   unused (506GB)
- * 0xfffffffe80000000 - 0xffffffffffffffff   6GB kernel map
+ * 0xffffff8000000000 - 0xffffffffffffffff   512GB kernel map
  *
  * Within the kernel map:
  *
@@ -163,7 +162,7 @@
  */
 
 #define	VM_MAX_KERNEL_ADDRESS	KVADDR(KPML4I, NPDPEPG-1, NPDEPG-1, NPTEPG-1)
-#define	VM_MIN_KERNEL_ADDRESS	KVADDR(KPML4I, NPDPEPG-6, 0, 0)
+#define	VM_MIN_KERNEL_ADDRESS	KVADDR(KPML4I, NPDPEPG-512, 0, 0)
 
 #define	DMAP_MIN_ADDRESS	KVADDR(DMPML4I, 0, 0, 0)
 #define	DMAP_MAX_ADDRESS	KVADDR(DMPML4I+1, 0, 0, 0)