1 files changed, 2 insertions, 1 deletions

diff --git a/sys/vm/vm_page.c b/sys/vm/vm_page.c
index 8ce52ab836a6..d5b8a5c3fc81 100644
--- a/sys/vm/vm_page.c
+++ b/sys/vm/vm_page.c
@@ -532,6 +532,8 @@ vm_page_insert(vm_page_t m, vm_object_t object, vm_pindex_t pindex)
 {
 	vm_page_t root;
 
+	if (!VM_OBJECT_LOCKED(object))
+		GIANT_REQUIRED;
 	if (m->object != NULL)
 		panic("vm_page_insert: already inserted");
 
@@ -541,7 +543,6 @@ vm_page_insert(vm_page_t m, vm_object_t object, vm_pindex_t pindex)
 	m->object = object;
 	m->pindex = pindex;
 
-	mtx_assert(object == kmem_object ? &object->mtx : &Giant, MA_OWNED);
 	/*
 	 * Now link into the object's ordered list of backed pages.
 	 */