| /* Handle the cache being disabled | |
| * | |
| * Copyright (C) 2010 Red Hat, Inc. All Rights Reserved. | |
| * Written by David Howells (dhowells@redhat.com) | |
| * | |
| * This program is free software; you can redistribute it and/or | |
| * modify it under the terms of the GNU General Public Licence | |
| * as published by the Free Software Foundation; either version | |
| * 2 of the Licence, or (at your option) any later version. | |
| */ | |
| #include <linux/mm.h> | |
| /* | |
| * allow userspace to flush the instruction cache | |
| */ | |
| asmlinkage long sys_cacheflush(unsigned long start, unsigned long end) | |
| { | |
| if (end < start) | |
| return -EINVAL; | |
| return 0; | |
| } |