Index: sys/kern/subr_vmem.c
===================================================================
RCS file: /cvsroot/src/sys/kern/subr_vmem.c,v
retrieving revision 1.80
diff -u -p -u -r1.80 subr_vmem.c
--- sys/kern/subr_vmem.c	29 Jan 2013 21:26:24 -0000	1.80
+++ sys/kern/subr_vmem.c	8 Feb 2013 08:14:56 -0000
@@ -204,13 +204,11 @@ bt_refillglobal(vm_flag_t flags)
 		mutex_exit(&vmem_btag_lock);
 		mutex_exit(&vmem_refill_lock);
 		return 0;
-	} else {
-		mutex_exit(&vmem_btag_lock);
 	}
+	mutex_exit(&vmem_btag_lock);
 
 	if (vmem_alloc(kmem_meta_arena, PAGE_SIZE,
 	    (flags & ~VM_FITMASK) | VM_INSTANTFIT | VM_POPULATING, &va) != 0) {
-		mutex_exit(&vmem_btag_lock);
 		mutex_exit(&vmem_refill_lock);
 		return ENOMEM;
 	}