From 4eaa1179563e682de9e5adfc240d1621dc1d5274 Mon Sep 17 00:00:00 2001
From: Alan Cox <alc@FreeBSD.org>
Date: Sat, 24 Aug 2002 17:52:08 +0000
Subject: [PATCH]  o Use vm_object_lock() in place of Giant when manipulating a
 vm object    in vm_map_insert().

---
 sys/vm/vm_map.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sys/vm/vm_map.c b/sys/vm/vm_map.c
index eccc09b5f45c..857514b07bac 100644
--- a/sys/vm/vm_map.c
+++ b/sys/vm/vm_map.c
@@ -764,11 +764,11 @@ vm_map_insert(vm_map_t map, vm_object_t object, vm_ooffset_t offset,
 		 * process.  We have to set or clear OBJ_ONEMAPPING 
 		 * appropriately.
 		 */
-		mtx_lock(&Giant);
+		vm_object_lock(object);
 		if ((object->ref_count > 1) || (object->shadow_count != 0)) {
 			vm_object_clear_flag(object, OBJ_ONEMAPPING);
 		}
-		mtx_unlock(&Giant);
+		vm_object_unlock(object);
 	}
 	else if ((prev_entry != &map->header) &&
 		 (prev_entry->eflags == protoeflags) &&