svn commit: r258742 - head/sys/arm/arm

[Ian Lepore]

Author: ian
Date: Fri Nov 29 15:06:11 2013
New Revision: 258742
URL: http://svnweb.freebsd.org/changeset/base/258742

Log:
  Set the PGA_WRITEABLE flag when the protections indicate write access, not
  just when the current access is a write.
  
  Reviewed by:	zbb@

Modified:
  head/sys/arm/arm/pmap-v6.c

Modified: head/sys/arm/arm/pmap-v6.c
==============================================================================
--- head/sys/arm/arm/pmap-v6.c	Fri Nov 29 15:05:49 2013	(r258741)
+++ head/sys/arm/arm/pmap-v6.c	Fri Nov 29 15:06:11 2013	(r258742)
@@ -3092,6 +3092,7 @@ validate:
 
 		if (prot & VM_PROT_WRITE) {
 			if ((m->oflags & VPO_UNMANAGED) == 0) {
+				vm_page_aflag_set(m, PGA_WRITEABLE);
 				/*
 				 * Enable write permission if the access type
 				 * indicates write intention. Emulate modified
@@ -3099,7 +3100,6 @@ validate:
 				 */
 				if ((access & VM_PROT_WRITE) != 0) {
 					npte &= ~(L2_APX);
-					vm_page_aflag_set(m, PGA_WRITEABLE);
 					/*
 					 * The access type and permissions
 					 * indicate that the page will be