These changes are the raw update to linux-4.4.6-rt14. Kernel sources
[kvmfornfv.git] / kernel / arch / powerpc / include / asm / mm-arch-hooks.h
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
15 static 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 */