svn commit: r254193 - user/attilio/vmobj-readlock/sys/vm

[Attilio Rao]

Author: attilio
Date: Sat Aug 10 21:13:18 2013
New Revision: 254193
URL: http://svnweb.freebsd.org/changeset/base/254193

Log:
  Revert a change that was wrong.
  
  Sponsored by:	EMC / Isilon storage division
  Submitted by:	alc

Modified:
  user/attilio/vmobj-readlock/sys/vm/vm_kern.c

Modified: user/attilio/vmobj-readlock/sys/vm/vm_kern.c
==============================================================================
--- user/attilio/vmobj-readlock/sys/vm/vm_kern.c	Sat Aug 10 21:11:17 2013	(r254192)
+++ user/attilio/vmobj-readlock/sys/vm/vm_kern.c	Sat Aug 10 21:13:18 2013	(r254193)
@@ -397,14 +397,14 @@ kmem_unback(vm_object_t object, vm_offse
 	    ("kmem_unback: only supports kernel objects."));
 
 	offset = addr - VM_MIN_KERNEL_ADDRESS;
-	VM_OBJECT_RLOCK(object);
+	VM_OBJECT_WLOCK(object);
 	pmap_remove(kernel_pmap, addr, addr + size);
 	for (i = 0; i < size; i += PAGE_SIZE) {
 		m = vm_page_lookup(object, OFF_TO_IDX(offset + i));
 		vm_page_unwire(m, 0);
 		vm_page_free(m);
 	}
-	VM_OBJECT_RUNLOCK(object);
+	VM_OBJECT_WUNLOCK(object);
 }
 
 /*