[src/trunk]: src/sys/rump/librump/rumpkern simplify code

[yamt <yamt%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/91770b4bb26d
branches:  trunk
changeset: 785266:91770b4bb26d
user:      yamt <yamt%NetBSD.org@localhost>
date:      Wed Mar 06 11:42:18 2013 +0000

description:
simplify code
add a comment

diffstat:

 sys/rump/librump/rumpkern/vm.c |  26 ++++++++++++++------------
 1 files changed, 14 insertions(+), 12 deletions(-)

diffs (54 lines):

diff -r f77848cc15de -r 91770b4bb26d sys/rump/librump/rumpkern/vm.c
--- a/sys/rump/librump/rumpkern/vm.c    Wed Mar 06 11:40:22 2013 +0000
+++ b/sys/rump/librump/rumpkern/vm.c    Wed Mar 06 11:42:18 2013 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: vm.c,v 1.135 2013/01/29 21:26:24 para Exp $    */
+/*     $NetBSD: vm.c,v 1.136 2013/03/06 11:42:18 yamt Exp $    */
 
 /*
  * Copyright (c) 2007-2011 Antti Kantee.  All Rights Reserved.
@@ -41,7 +41,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: vm.c,v 1.135 2013/01/29 21:26:24 para Exp $");
+__KERNEL_RCSID(0, "$NetBSD: vm.c,v 1.136 2013/03/06 11:42:18 yamt Exp $");
 
 #include <sys/param.h>
 #include <sys/atomic.h>
@@ -252,6 +252,18 @@
 }
 
 /*
+ * uvm_page_locked_p: return true if object associated with page is
+ * locked.  this is a weak check for runtime assertions only.
+ */
+
+bool
+uvm_page_locked_p(struct vm_page *pg)
+{
+
+       return mutex_owned(pg->uobject->vmobjlock);
+}
+
+/*
  * Misc routines
  */
 
@@ -361,16 +373,6 @@
        vm->vm_refcnt = 1;
 }
 
-bool
-uvm_page_locked_p(struct vm_page *pg)
-{
-
-       if (pg->uobject != NULL) {
-               return mutex_owned(pg->uobject->vmobjlock);
-       }
-       return true;
-}
-
 void
 uvm_pagewire(struct vm_page *pg)
 {