[src/trunk]: src/sys/uvm __cacheline_aligned on a lock.

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

details:   https://anonhg.NetBSD.org/src/rev/187e2edc29b3
branches:  trunk
changeset: 465667:187e2edc29b3
user:      ad <ad%NetBSD.org@localhost>
date:      Sun Dec 01 16:44:11 2019 +0000

description:
__cacheline_aligned on a lock.

diffstat:

 sys/uvm/uvm_device.c |  6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diffs (27 lines):

diff -r 36b03e8c2a43 -r 187e2edc29b3 sys/uvm/uvm_device.c
--- a/sys/uvm/uvm_device.c      Sun Dec 01 16:36:25 2019 +0000
+++ b/sys/uvm/uvm_device.c      Sun Dec 01 16:44:11 2019 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: uvm_device.c,v 1.66 2017/10/28 00:37:13 pgoyette Exp $ */
+/*     $NetBSD: uvm_device.c,v 1.67 2019/12/01 16:44:11 ad Exp $       */
 
 /*
  * Copyright (c) 1997 Charles D. Cranor and Washington University.
@@ -32,7 +32,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: uvm_device.c,v 1.66 2017/10/28 00:37:13 pgoyette Exp $");
+__KERNEL_RCSID(0, "$NetBSD: uvm_device.c,v 1.67 2019/12/01 16:44:11 ad Exp $");
 
 #include "opt_uvmhist.h"
 
@@ -54,7 +54,7 @@
 
 LIST_HEAD(udv_list_struct, uvm_device);
 static struct udv_list_struct udv_list;
-static kmutex_t udv_lock;
+static kmutex_t udv_lock __cacheline_aligned;
 
 /*
  * functions