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