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34 lines
780 B
34 lines
780 B
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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* Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com) |
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*/ |
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#ifndef _ASM_ARC_PGTABLE_H |
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#define _ASM_ARC_PGTABLE_H |
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#include <linux/bits.h> |
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#include <asm/pgtable-levels.h> |
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#include <asm/pgtable-bits-arcv2.h> |
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#include <asm/page.h> |
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#include <asm/mmu.h> |
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/* |
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* Number of entries a user land program use. |
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* TASK_SIZE is the maximum vaddr that can be used by a userland program. |
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*/ |
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#define USER_PTRS_PER_PGD (TASK_SIZE / PGDIR_SIZE) |
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#ifndef __ASSEMBLY__ |
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extern char empty_zero_page[PAGE_SIZE]; |
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#define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page)) |
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extern pgd_t swapper_pg_dir[] __aligned(PAGE_SIZE); |
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/* to cope with aliasing VIPT cache */ |
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#define HAVE_ARCH_UNMAPPED_AREA |
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#endif /* __ASSEMBLY__ */ |
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#endif
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