From f4b0c119c01192786092eb537221866d776f3ee8 Mon Sep 17 00:00:00 2001
From: Alan Cox <alc@FreeBSD.org>
Date: Sun, 19 Apr 2009 07:18:08 +0000
Subject: [PATCH] Calling pmap_clear_modify() after calling pmap_remove_write()
 is pointless. The latter function already clears the modified status from
 each of the page's mappings.

---
 sys/vm/vm_pageout.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/sys/vm/vm_pageout.c b/sys/vm/vm_pageout.c
index 046ba2af7f19..2baa0f1434af 100644
--- a/sys/vm/vm_pageout.c
+++ b/sys/vm/vm_pageout.c
@@ -462,7 +462,6 @@ vm_pageout_flush(vm_page_t *mc, int count, int flags)
 			 * essentially lose the changes by pretending it
 			 * worked.
 			 */
-			pmap_clear_modify(mt);
 			vm_page_undirty(mt);
 			break;
 		case VM_PAGER_ERROR: