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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Architecture specific mm hooks
*
* Copyright (C) 2015, IBM Corporation
* Author: Laurent Dufour <ldufour@linux.vnet.ibm.com>
*/
#ifndef _ASM_POWERPC_MM_ARCH_HOOKS_H
#define _ASM_POWERPC_MM_ARCH_HOOKS_H
static inline void arch_remap(struct mm_struct *mm,
unsigned long old_start, unsigned long old_end,
unsigned long new_start, unsigned long new_end)
{
/*
* mremap() doesn't allow moving multiple vmas so we can limit the
* check to old_start == vdso_base.
*/
if (old_start == mm->context.vdso_base)
mm->context.vdso_base = new_start;
}
#define arch_remap arch_remap
#endif /* _ASM_POWERPC_MM_ARCH_HOOKS_H */
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