mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
synced 2025-09-04 18:49:41 +00:00
5071ea3d7b
There are now no callers of mk_huge_pmd() and mk_pmd(). Remove them. Link: https://lkml.kernel.org/r/20250402181709.2386022-12-willy@infradead.org Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Cc: Zi Yan <ziy@nvidia.com> Cc: Alexander Gordeev <agordeev@linux.ibm.com> Cc: Andreas Larsson <andreas@gaisler.com> Cc: Anton Ivanov <anton.ivanov@cambridgegreys.com> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: David Hildenbrand <david@redhat.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Johannes Berg <johannes@sipsolutions.net> Cc: Muchun Song <muchun.song@linux.dev> Cc: Richard Weinberger <richard@nod.at> Cc: <x86@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
73 lines
2.1 KiB
C
73 lines
2.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (C) 2013-15 Synopsys, Inc. (www.synopsys.com)
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*/
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#ifndef _ASM_ARC_HUGEPAGE_H
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#define _ASM_ARC_HUGEPAGE_H
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#include <linux/types.h>
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#include <asm-generic/pgtable-nopmd.h>
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/*
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* Hugetlb definitions.
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*/
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#define HPAGE_SHIFT PMD_SHIFT
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#define HPAGE_SIZE (_AC(1, UL) << HPAGE_SHIFT)
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#define HPAGE_MASK (~(HPAGE_SIZE - 1))
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static inline pte_t pmd_pte(pmd_t pmd)
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{
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return __pte(pmd_val(pmd));
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}
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static inline pmd_t pte_pmd(pte_t pte)
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{
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return __pmd(pte_val(pte));
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}
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#define pmd_wrprotect(pmd) pte_pmd(pte_wrprotect(pmd_pte(pmd)))
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#define pmd_mkwrite_novma(pmd) pte_pmd(pte_mkwrite_novma(pmd_pte(pmd)))
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#define pmd_mkdirty(pmd) pte_pmd(pte_mkdirty(pmd_pte(pmd)))
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#define pmd_mkold(pmd) pte_pmd(pte_mkold(pmd_pte(pmd)))
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#define pmd_mkyoung(pmd) pte_pmd(pte_mkyoung(pmd_pte(pmd)))
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#define pmd_mkhuge(pmd) pte_pmd(pte_mkhuge(pmd_pte(pmd)))
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#define pmd_mkinvalid(pmd) pte_pmd(pte_mknotpresent(pmd_pte(pmd)))
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#define pmd_mkclean(pmd) pte_pmd(pte_mkclean(pmd_pte(pmd)))
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#define pmd_write(pmd) pte_write(pmd_pte(pmd))
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#define pmd_young(pmd) pte_young(pmd_pte(pmd))
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#define pmd_dirty(pmd) pte_dirty(pmd_pte(pmd))
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#define pmd_trans_huge(pmd) (pmd_val(pmd) & _PAGE_HW_SZ)
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#define pfn_pmd(pfn, prot) (__pmd(((pfn) << PAGE_SHIFT) | pgprot_val(prot)))
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static inline pmd_t pmd_modify(pmd_t pmd, pgprot_t newprot)
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{
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/*
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* open-coded pte_modify() with additional retaining of HW_SZ bit
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* so that pmd_trans_huge() remains true for this PMD
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*/
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return __pmd((pmd_val(pmd) & (_PAGE_CHG_MASK | _PAGE_HW_SZ)) | pgprot_val(newprot));
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}
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static inline void set_pmd_at(struct mm_struct *mm, unsigned long addr,
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pmd_t *pmdp, pmd_t pmd)
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{
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*pmdp = pmd;
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}
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extern void update_mmu_cache_pmd(struct vm_area_struct *vma, unsigned long addr,
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pmd_t *pmd);
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#define __HAVE_ARCH_FLUSH_PMD_TLB_RANGE
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extern void flush_pmd_tlb_range(struct vm_area_struct *vma, unsigned long start,
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unsigned long end);
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/* We don't have hardware dirty/accessed bits, generic_pmdp_establish is fine.*/
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#define pmdp_establish generic_pmdp_establish
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#endif
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