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Most architectures define pgd_free() as a wrapper for free_page(). Provide a generic version in asm-generic/pgalloc.h and enable its use for most architectures. Signed-off-by: Mike Rapoport <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Reviewed-by: Pekka Enberg <[email protected]> Acked-by: Geert Uytterhoeven <[email protected]> [m68k] Cc: Abdul Haleem <[email protected]> Cc: Andy Lutomirski <[email protected]> Cc: Arnd Bergmann <[email protected]> Cc: Christophe Leroy <[email protected]> Cc: Joerg Roedel <[email protected]> Cc: Joerg Roedel <[email protected]> Cc: Max Filippov <[email protected]> Cc: Peter Zijlstra (Intel) <[email protected]> Cc: Satheesh Rajendran <[email protected]> Cc: Stafford Horne <[email protected]> Cc: Stephen Rothwell <[email protected]> Cc: Steven Rostedt <[email protected]> Cc: Matthew Wilcox <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Linus Torvalds <[email protected]>
41 lines
984 B
C
41 lines
984 B
C
/* 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,x, address) tlb_remove_page((tlb),virt_to_page(x))
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#endif
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#endif
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