30 lines
690 B
C
30 lines
690 B
C
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/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* arch/arm/include/asm/hugetlb-3level.h
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*
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* Copyright (C) 2012 ARM Ltd.
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*
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* Based on arch/x86/include/asm/hugetlb.h.
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*/
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#ifndef _ASM_ARM_HUGETLB_3LEVEL_H
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#define _ASM_ARM_HUGETLB_3LEVEL_H
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/*
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* If our huge pte is non-zero then mark the valid bit.
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* This allows pte_present(huge_ptep_get(ptep)) to return true for non-zero
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* ptes.
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* (The valid bit is automatically cleared by set_pte_at for PROT_NONE ptes).
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*/
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#define __HAVE_ARCH_HUGE_PTEP_GET
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static inline pte_t huge_ptep_get(pte_t *ptep)
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{
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pte_t retval = *ptep;
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if (pte_val(retval))
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pte_val(retval) |= L_PTE_VALID;
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return retval;
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}
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#endif /* _ASM_ARM_HUGETLB_3LEVEL_H */
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