From 178ec26e827162da7a14c0f0a4a44bde532844e5 Mon Sep 17 00:00:00 2001
From: jhb <jhb@FreeBSD.org>
Date: Fri, 29 Apr 2016 17:35:28 +0000
Subject: [PATCH] Don't require write locks on the VM object for
 vm_page_prev/next.

Reviewed by:	kib
Sponsored by:	Chelsio Communications
---
 sys/vm/vm_page.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sys/vm/vm_page.c b/sys/vm/vm_page.c
index 0d2b92e2f80c..2f3b17fb56a9 100644
--- a/sys/vm/vm_page.c
+++ b/sys/vm/vm_page.c
@@ -1283,7 +1283,7 @@ vm_page_next(vm_page_t m)
 {
 	vm_page_t next;
 
-	VM_OBJECT_ASSERT_WLOCKED(m->object);
+	VM_OBJECT_ASSERT_LOCKED(m->object);
 	if ((next = TAILQ_NEXT(m, listq)) != NULL &&
 	    next->pindex != m->pindex + 1)
 		next = NULL;
@@ -1301,7 +1301,7 @@ vm_page_prev(vm_page_t m)
 {
 	vm_page_t prev;
 
-	VM_OBJECT_ASSERT_WLOCKED(m->object);
+	VM_OBJECT_ASSERT_LOCKED(m->object);
 	if ((prev = TAILQ_PREV(m, pglist, listq)) != NULL &&
 	    prev->pindex != m->pindex - 1)
 		prev = NULL;