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Date:      Mon, 17 Aug 2009 13:32:56 +0000 (UTC)
From:      Konstantin Belousov <kib@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-8@freebsd.org
Subject:   svn commit: r196319 - in stable/8/sys: . amd64/amd64 amd64/include/xen cddl/contrib/opensolaris contrib/dev/acpica contrib/pf dev/ata dev/cxgb dev/mfi dev/xen/netfront dev/xen/xenpci modules/dtrace...
Message-ID:  <200908171332.n7HDWueA079047@svn.freebsd.org>

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Author: kib
Date: Mon Aug 17 13:32:56 2009
New Revision: 196319
URL: http://svn.freebsd.org/changeset/base/196319

Log:
  MFC r196318:
  Correct accounting error when allocating a a page table page to implement
  a user-space demotion.
  
  Approved by:	re (rwatson)

Modified:
  stable/8/sys/   (props changed)
  stable/8/sys/amd64/amd64/pmap.c
  stable/8/sys/amd64/include/xen/   (props changed)
  stable/8/sys/cddl/contrib/opensolaris/   (props changed)
  stable/8/sys/contrib/dev/acpica/   (props changed)
  stable/8/sys/contrib/pf/   (props changed)
  stable/8/sys/dev/ata/   (props changed)
  stable/8/sys/dev/cxgb/   (props changed)
  stable/8/sys/dev/mfi/   (props changed)
  stable/8/sys/dev/xen/netfront/   (props changed)
  stable/8/sys/dev/xen/xenpci/   (props changed)
  stable/8/sys/modules/dtrace/dtnfsclient/   (props changed)
  stable/8/sys/modules/ip6_mroute_mod/   (props changed)
  stable/8/sys/modules/ipmi/ipmi_linux/   (props changed)
  stable/8/sys/netinet/ipfw/ip_dummynet.c   (props changed)
  stable/8/sys/netinet/ipfw/ip_fw2.c   (props changed)
  stable/8/sys/netinet/ipfw/ip_fw_nat.c   (props changed)
  stable/8/sys/netinet/ipfw/ip_fw_pfil.c   (props changed)
  stable/8/sys/netipx/spx_reass.c   (props changed)
  stable/8/sys/xen/evtchn.h   (props changed)
  stable/8/sys/xen/hypervisor.h   (props changed)
  stable/8/sys/xen/xen_intr.h   (props changed)

Modified: stable/8/sys/amd64/amd64/pmap.c
==============================================================================
--- stable/8/sys/amd64/amd64/pmap.c	Mon Aug 17 13:27:55 2009	(r196318)
+++ stable/8/sys/amd64/amd64/pmap.c	Mon Aug 17 13:32:56 2009	(r196319)
@@ -2261,6 +2261,8 @@ pmap_demote_pde(pmap_t pmap, pd_entry_t 
 			    " in pmap %p", va, pmap);
 			return (FALSE);
 		}
+		if (va < VM_MAXUSER_ADDRESS)
+			pmap->pm_stats.resident_count++;
 	}
 	mptepa = VM_PAGE_TO_PHYS(mpte);
 	firstpte = (pt_entry_t *)PHYS_TO_DMAP(mptepa);



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