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56 lines
1.9 KiB
56 lines
1.9 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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* arch/arm64/include/asm/hugetlb.h |
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* |
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* Copyright (C) 2013 Linaro Ltd. |
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* |
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* Based on arch/x86/include/asm/hugetlb.h |
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*/ |
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#ifndef __ASM_HUGETLB_H |
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#define __ASM_HUGETLB_H |
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#include <asm/page.h> |
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#ifdef CONFIG_ARCH_ENABLE_HUGEPAGE_MIGRATION |
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#define arch_hugetlb_migration_supported arch_hugetlb_migration_supported |
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extern bool arch_hugetlb_migration_supported(struct hstate *h); |
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#endif |
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static inline void arch_clear_hugepage_flags(struct page *page) |
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{ |
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clear_bit(PG_dcache_clean, &page->flags); |
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} |
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#define arch_clear_hugepage_flags arch_clear_hugepage_flags |
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extern pte_t arch_make_huge_pte(pte_t entry, struct vm_area_struct *vma, |
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struct page *page, int writable); |
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#define arch_make_huge_pte arch_make_huge_pte |
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#define __HAVE_ARCH_HUGE_SET_HUGE_PTE_AT |
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extern void set_huge_pte_at(struct mm_struct *mm, unsigned long addr, |
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pte_t *ptep, pte_t pte); |
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#define __HAVE_ARCH_HUGE_PTEP_SET_ACCESS_FLAGS |
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extern int huge_ptep_set_access_flags(struct vm_area_struct *vma, |
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unsigned long addr, pte_t *ptep, |
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pte_t pte, int dirty); |
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#define __HAVE_ARCH_HUGE_PTEP_GET_AND_CLEAR |
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extern pte_t huge_ptep_get_and_clear(struct mm_struct *mm, |
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unsigned long addr, pte_t *ptep); |
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#define __HAVE_ARCH_HUGE_PTEP_SET_WRPROTECT |
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extern void huge_ptep_set_wrprotect(struct mm_struct *mm, |
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unsigned long addr, pte_t *ptep); |
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#define __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH |
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extern void huge_ptep_clear_flush(struct vm_area_struct *vma, |
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unsigned long addr, pte_t *ptep); |
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#define __HAVE_ARCH_HUGE_PTE_CLEAR |
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extern void huge_pte_clear(struct mm_struct *mm, unsigned long addr, |
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pte_t *ptep, unsigned long sz); |
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extern void set_huge_swap_pte_at(struct mm_struct *mm, unsigned long addr, |
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pte_t *ptep, pte_t pte, unsigned long sz); |
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#define set_huge_swap_pte_at set_huge_swap_pte_at |
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void __init arm64_hugetlb_cma_reserve(void); |
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#include <asm-generic/hugetlb.h> |
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#endif /* __ASM_HUGETLB_H */
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