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