tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * Architecture specific mm hooks
3 *
4 * Copyright (C) 2015, IBM Corporation
5 * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 */
11
12#ifndef _ASM_POWERPC_MM_ARCH_HOOKS_H
13#define _ASM_POWERPC_MM_ARCH_HOOKS_H
14
15static inline void arch_remap(struct mm_struct *mm,
16 unsigned long old_start, unsigned long old_end,
17 unsigned long new_start, unsigned long new_end)
18{
19 /*
20 * mremap() doesn't allow moving multiple vmas so we can limit the
21 * check to old_start == vdso_base.
22 */
23 if (old_start == mm->context.vdso_base)
24 mm->context.vdso_base = new_start;
25}
26#define arch_remap arch_remap
27
28#endif /* _ASM_POWERPC_MM_ARCH_HOOKS_H */