PERFORCE change 132287 for review

[Kip Macy]

http://perforce.freebsd.org/chv.cgi?CH=132287

Change 132287 by kmacy at pandemonium:kmacy:xen31 on 2008/01/02 04:23:02

	make sure to zero unused pages

Affected files ...

.. //depot/projects/xen31/sys/i386/xen/xen_machdep.c#11 edit

Differences ...

==== //depot/projects/xen31/sys/i386/xen/xen_machdep.c#11 (text+ko) ====

@@ -822,8 +822,11 @@
 	xen_flush_queue();
 #endif
 	/* unmap remaining pages from initial 4MB chunk */
-	for (tmpva = cur_space; (tmpva & ((1<<22)-1)) != 0; tmpva += PAGE_SIZE) 
+	for (tmpva = cur_space; (tmpva & ((1<<22)-1)) != 0; tmpva += PAGE_SIZE) {
+		bzero((char *)tmpva, PAGE_SIZE);
 		PT_SET_MA(tmpva, (vm_paddr_t)0);
+	}
+	
 #ifdef PAE
 	offset = 0;
 #else