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From: Alan Cox <alc@FreeBSD.org>
Date: Sat, 5 Jun 2010 06:56:06 +0000 (UTC)
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Subject: svn commit: r208810 - head/sys/powerpc/aim
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Author: alc
Date: Sat Jun  5 06:56:06 2010
New Revision: 208810
URL: http://svn.freebsd.org/changeset/base/208810

Log:
  Don't set PG_WRITEABLE in pmap_enter() unless the page is managed.

Modified:
  head/sys/powerpc/aim/mmu_oea.c
  head/sys/powerpc/aim/mmu_oea64.c

Modified: head/sys/powerpc/aim/mmu_oea.c
==============================================================================
--- head/sys/powerpc/aim/mmu_oea.c	Sat Jun  5 00:56:15 2010	(r208809)
+++ head/sys/powerpc/aim/mmu_oea.c	Sat Jun  5 06:56:06 2010	(r208810)
@@ -1140,7 +1140,8 @@ moea_enter_locked(pmap_t pmap, vm_offset
 
 	if (prot & VM_PROT_WRITE) {
 		pte_lo |= PTE_BW;
-		if (pmap_bootstrapped)
+		if (pmap_bootstrapped &&
+		    (m->flags & (PG_FICTITIOUS | PG_UNMANAGED)) == 0)
 			vm_page_flag_set(m, PG_WRITEABLE);
 	} else
 		pte_lo |= PTE_BR;

Modified: head/sys/powerpc/aim/mmu_oea64.c
==============================================================================
--- head/sys/powerpc/aim/mmu_oea64.c	Sat Jun  5 00:56:15 2010	(r208809)
+++ head/sys/powerpc/aim/mmu_oea64.c	Sat Jun  5 06:56:06 2010	(r208810)
@@ -1249,7 +1249,8 @@ moea64_enter_locked(pmap_t pmap, vm_offs
 
 	if (prot & VM_PROT_WRITE) {
 		pte_lo |= LPTE_BW;
-		if (pmap_bootstrapped)
+		if (pmap_bootstrapped &&
+		    (m->flags & (PG_FICTITIOUS | PG_UNMANAGED)) == 0)
 			vm_page_flag_set(m, PG_WRITEABLE);
 	} else
 		pte_lo |= LPTE_BR;