[src/trunk]: src/sys/miscfs/specfs specfs: Reorder struct specnode members to...

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

details:   https://anonhg.NetBSD.org/src/rev/8652f02d3f00
branches:  trunk
changeset: 364521:8652f02d3f00
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Mon Mar 28 12:38:04 2022 +0000

description:
specfs: Reorder struct specnode members to save padding.

Shrinks from 40 bytes to 32 bytes on LP64 systems this way.

diffstat:

 sys/miscfs/specfs/specdev.h |  4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diffs (19 lines):

diff -r dc714d194877 -r 8652f02d3f00 sys/miscfs/specfs/specdev.h
--- a/sys/miscfs/specfs/specdev.h       Mon Mar 28 12:37:56 2022 +0000
+++ b/sys/miscfs/specfs/specdev.h       Mon Mar 28 12:38:04 2022 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: specdev.h,v 1.51 2022/03/28 12:37:46 riastradh Exp $   */
+/*     $NetBSD: specdev.h,v 1.52 2022/03/28 12:38:04 riastradh Exp $   */
 
 /*-
  * Copyright (c) 2008 The NetBSD Foundation, Inc.
@@ -66,8 +66,8 @@
 typedef struct specnode {
        vnode_t         *sn_next;
        struct specdev  *sn_dev;
+       dev_t           sn_rdev;
        u_int           sn_opencnt;     /* # of opens, share of sd_opencnt */
-       dev_t           sn_rdev;
        bool            sn_gone;
 } specnode_t;