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46 lines
1.0 KiB
46 lines
1.0 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* |
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* Copyright (C) 2000, 2001, 2002 Jeff Dike ([email protected]) |
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* Copyright 2003 PathScale, Inc. |
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* Derived from include/asm-i386/pgalloc.h and include/asm-i386/pgtable.h |
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*/ |
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#ifndef __UM_PGALLOC_H |
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#define __UM_PGALLOC_H |
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#include <linux/mm.h> |
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#include <asm-generic/pgalloc.h> |
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#define pmd_populate_kernel(mm, pmd, pte) \ |
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set_pmd(pmd, __pmd(_PAGE_TABLE + (unsigned long) __pa(pte))) |
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#define pmd_populate(mm, pmd, pte) \ |
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set_pmd(pmd, __pmd(_PAGE_TABLE + \ |
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((unsigned long long)page_to_pfn(pte) << \ |
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(unsigned long long) PAGE_SHIFT))) |
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#define pmd_pgtable(pmd) pmd_page(pmd) |
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/* |
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* Allocate and free page tables. |
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*/ |
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extern pgd_t *pgd_alloc(struct mm_struct *); |
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#define __pte_free_tlb(tlb,pte, address) \ |
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do { \ |
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pgtable_pte_page_dtor(pte); \ |
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tlb_remove_page((tlb),(pte)); \ |
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} while (0) |
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#ifdef CONFIG_3_LEVEL_PGTABLES |
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#define __pmd_free_tlb(tlb, pmd, address) \ |
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do { \ |
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pgtable_pmd_page_dtor(virt_to_page(pmd)); \ |
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tlb_remove_page((tlb),virt_to_page(pmd)); \ |
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} while (0) \ |
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#endif |
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#endif |
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