1234567891011121314151617181920212223242526272829 |
- /* 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 */
|