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35 lines
1.2 KiB
C
35 lines
1.2 KiB
C
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/*
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* Based on arch/arm/include/asm/page.h
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*
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* Copyright (C) 1995-2003 Russell King
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* Copyright (C) 2017 ARM Ltd.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __ASM_PAGE_DEF_H
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#define __ASM_PAGE_DEF_H
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#include <linux/const.h>
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/* PAGE_SHIFT determines the page size */
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/* CONT_SHIFT determines the number of pages which can be tracked together */
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#define PAGE_SHIFT CONFIG_ARM64_PAGE_SHIFT
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#define CONT_SHIFT CONFIG_ARM64_CONT_SHIFT
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#define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT)
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#define PAGE_MASK (~(PAGE_SIZE-1))
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#define CONT_SIZE (_AC(1, UL) << (CONT_SHIFT + PAGE_SHIFT))
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#define CONT_MASK (~(CONT_SIZE-1))
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#endif /* __ASM_PAGE_DEF_H */
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