/* * arch/arm/include/asm/hugetlb-3level.h * * Copyright (C) 2012 ARM Ltd. * * Based on arch/x86/include/asm/hugetlb.h. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #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 */