From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- arch/arm/include/asm/hugetlb-3level.h | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 arch/arm/include/asm/hugetlb-3level.h (limited to 'arch/arm/include/asm/hugetlb-3level.h') diff --git a/arch/arm/include/asm/hugetlb-3level.h b/arch/arm/include/asm/hugetlb-3level.h new file mode 100644 index 000000000..a30be5505 --- /dev/null +++ b/arch/arm/include/asm/hugetlb-3level.h @@ -0,0 +1,29 @@ +/* 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 */ -- cgit v1.2.3