From 9f6c2d705fc307f503644aa0c4f8aa989eaeca5e Mon Sep 17 00:00:00 2001
From: tegge <tegge@FreeBSD.org>
Date: Mon, 15 Aug 2005 14:28:48 +0000
Subject: [PATCH] MFC: Check for marker pages when scanning active and inactive
 page queues.

Approved by:	re (kensmith)
---
 sys/vm/vm_contig.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/sys/vm/vm_contig.c b/sys/vm/vm_contig.c
index 40051b9fc01d..3d57203d1cbc 100644
--- a/sys/vm/vm_contig.c
+++ b/sys/vm/vm_contig.c
@@ -136,6 +136,11 @@ vm_contig_launder(int queue)
 
 	for (m = TAILQ_FIRST(&vm_page_queues[queue].pl); m != NULL; m = next) {
 		next = TAILQ_NEXT(m, pageq);
+
+		/* Skip marker pages */
+		if ((m->flags & PG_MARKER) != 0)
+			continue;
+
 		KASSERT(m->queue == queue,
 		    ("vm_contig_launder: page %p's queue is not %d", m, queue));
 		error = vm_contig_launder_page(m);