svn commit: r236813 - projects/amd64_xen_pv/sys/amd64/include

[Cherry G. Mathew]

Author: cherry
Date: Sat Jun  9 12:58:00 2012
New Revision: 236813
URL: http://svn.freebsd.org/changeset/base/236813

Log:
  Xen's "pseudo-physical" "ram" space is a fragmented by virtue of its bootstrap
  sequence. vm requires this #define to stitching up the pieces into the
  kva while booting up. See: vm_page.c:vm_page_startup()
  
  Approved by:	gibbs (implicit)

Modified:
  projects/amd64_xen_pv/sys/amd64/include/vmparam.h

Modified: projects/amd64_xen_pv/sys/amd64/include/vmparam.h
==============================================================================
--- projects/amd64_xen_pv/sys/amd64/include/vmparam.h	Sat Jun  9 12:27:30 2012	(r236812)
+++ projects/amd64_xen_pv/sys/amd64/include/vmparam.h	Sat Jun  9 12:58:00 2012	(r236813)
@@ -79,7 +79,11 @@
 /*
  * The physical address space is densely populated.
  */
+#ifndef XEN
 #define	VM_PHYSSEG_DENSE
+#else /* XEN */
+#define	VM_PHYSSEG_SPARSE
+#endif
 
 /*
  * The number of PHYSSEG entries must be one greater than the number