From d3c09dd7dbf75c5157fa84bd4d866750021c68ad Mon Sep 17 00:00:00 2001
From: Alan Cox <alc@FreeBSD.org>
Date: Wed, 22 Oct 2003 03:08:24 +0000
Subject: [PATCH]  - Assert that every page found in the active queue is an
 active page.

---
 sys/vm/vm_pageout.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/sys/vm/vm_pageout.c b/sys/vm/vm_pageout.c
index a073613220a..f2c9af418c6 100644
--- a/sys/vm/vm_pageout.c
+++ b/sys/vm/vm_pageout.c
@@ -1033,13 +1033,8 @@ unlock_and_continue:
 
 	while ((m != NULL) && (pcount-- > 0) && (page_shortage > 0)) {
 
-		/*
-		 * This is a consistency check, and should likely be a panic
-		 * or warning.
-		 */
-		if (m->queue != PQ_ACTIVE) {
-			break;
-		}
+		KASSERT(m->queue == PQ_ACTIVE,
+		    ("vm_pageout_scan: page %p isn't active", m));
 
 		next = TAILQ_NEXT(m, pageq);
 		/*