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From: Alan Cox <alc@FreeBSD.org>
Date: Thu, 23 Jun 2011 05:24:00 +0000 (UTC)
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Subject: svn commit: r223464 - head/sys/vm
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Author: alc
Date: Thu Jun 23 05:23:59 2011
New Revision: 223464
URL: http://svn.freebsd.org/changeset/base/223464

Log:
  Revert to using the page queues lock in vm_page_clear_dirty_mask() on
  MIPS.  (At present, although atomic_clear_char() is defined by atomic.h
  on MIPS, it is not actually implemented by support.S.)

Modified:
  head/sys/vm/vm_fault.c
  head/sys/vm/vm_page.c

Modified: head/sys/vm/vm_fault.c
==============================================================================
--- head/sys/vm/vm_fault.c	Thu Jun 23 04:35:45 2011	(r223463)
+++ head/sys/vm/vm_fault.c	Thu Jun 23 05:23:59 2011	(r223464)
@@ -1095,8 +1095,7 @@ vm_fault_quick_hold_pages(vm_map_t map, 
 			 * required in order to call vm_page_dirty().  See
 			 * vm_page_clear_dirty_mask().
 			 */
-#if defined(__amd64__) || defined(__i386__) || defined(__ia64__) || \
-    defined(__mips__)
+#if defined(__amd64__) || defined(__i386__) || defined(__ia64__)
 			vm_page_dirty(*mp);
 #else
 			vm_page_lock_queues();

Modified: head/sys/vm/vm_page.c
==============================================================================
--- head/sys/vm/vm_page.c	Thu Jun 23 04:35:45 2011	(r223463)
+++ head/sys/vm/vm_page.c	Thu Jun 23 05:23:59 2011	(r223464)
@@ -2336,8 +2336,7 @@ vm_page_clear_dirty_mask(vm_page_t m, in
 	if ((m->oflags & VPO_BUSY) == 0 && (m->flags & PG_WRITEABLE) == 0)
 		m->dirty &= ~pagebits;
 	else {
-#if defined(__amd64__) || defined(__i386__) || defined(__ia64__) || \
-    defined(__mips__)
+#if defined(__amd64__) || defined(__i386__) || defined(__ia64__)
 		/*
 		 * On the aforementioned architectures, the page queues lock
 		 * is not required by the following read-modify-write