LXR linux/arch/powerpc/include/asm/mm-arch-hooks.h

   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/*
   3 * Architecture specific mm hooks
   4 *
   5 * Copyright (C) 2015, IBM Corporation
   6 * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com>
   7 */
   8
   9#ifndef _ASM_POWERPC_MM_ARCH_HOOKS_H
  10#define _ASM_POWERPC_MM_ARCH_HOOKS_H
  11
  12static inline void arch_remap(struct mm_struct *mm,
  13                              unsigned long old_start, unsigned long old_end,
  14                              unsigned long new_start, unsigned long new_end)
  15{
  16        /*
  17         * mremap() doesn't allow moving multiple vmas so we can limit the
  18         * check to old_start == vdso_base.
  19         */
  20        if (old_start == mm->context.vdso_base)
  21                mm->context.vdso_base = new_start;
  22}
  23#define arch_remap arch_remap
  24
  25#endif /* _ASM_POWERPC_MM_ARCH_HOOKS_H */
  26