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authorDavid S. Miller <davem@davemloft.net>2010-10-06 22:39:31 -0400
committerDavid S. Miller <davem@davemloft.net>2010-10-06 22:39:31 -0400
commit69259abb64d4da77273bf59accfc9fa79e7165f4 (patch)
treebd043ab03a788b749c8d5ae4049d8defae9abf34 /arch/mn10300/mm/cache-disabled.c
parentdd53df265b1ee7a1fbbc76bb62c3bec2383bbd44 (diff)
parent12e94471b2be5ef9b55b10004a3a2cd819490036 (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/net/pcmcia/pcnet_cs.c net/caif/caif_socket.c
Diffstat (limited to 'arch/mn10300/mm/cache-disabled.c')
-rw-r--r--arch/mn10300/mm/cache-disabled.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/mn10300/mm/cache-disabled.c b/arch/mn10300/mm/cache-disabled.c
new file mode 100644
index 000000000000..f669ea42aba6
--- /dev/null
+++ b/arch/mn10300/mm/cache-disabled.c
@@ -0,0 +1,21 @@
1/* Handle the cache being disabled
2 *
3 * Copyright (C) 2010 Red Hat, Inc. All Rights Reserved.
4 * Written by David Howells (dhowells@redhat.com)
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public Licence
8 * as published by the Free Software Foundation; either version
9 * 2 of the Licence, or (at your option) any later version.
10 */
11#include <linux/mm.h>
12
13/*
14 * allow userspace to flush the instruction cache
15 */
16asmlinkage long sys_cacheflush(unsigned long start, unsigned long end)
17{
18 if (end < start)
19 return -EINVAL;
20 return 0;
21}