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