svn commit: r212931 - head/sys/vm

[Matthew D Fleming]

Author: mdf
Date: Mon Sep 20 20:41:59 2010
New Revision: 212931
URL: http://svn.freebsd.org/changeset/base/212931

Log:
  Replace an XXX comment with the appropriate code.
  
  Submitted by:	alc

Modified:
  head/sys/vm/vm_kern.c

Modified: head/sys/vm/vm_kern.c
==============================================================================
--- head/sys/vm/vm_kern.c	Mon Sep 20 19:59:08 2010	(r212930)
+++ head/sys/vm/vm_kern.c	Mon Sep 20 20:41:59 2010	(r212931)
@@ -354,11 +354,7 @@ kmem_back(vm_map_t map, vm_offset_t addr
 	vm_page_t m;
 	int pflags;
 
-	/*
-	 * XXX the map must be locked for write on entry, but there's
-	 * no easy way to assert that.
-	 */
-
+	KASSERT(vm_map_locked(map), ("kmem_back: map %p is not locked", map));
 	offset = addr - VM_MIN_KERNEL_ADDRESS;
 	vm_object_reference(kmem_object);
 	vm_map_insert(map, kmem_object, offset, addr, addr + size,