^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) #ifndef _ASM_GENERIC_HUGETLB_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) #define _ASM_GENERIC_HUGETLB_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) static inline pte_t mk_huge_pte(struct page *page, pgprot_t pgprot)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) return mk_pte(page, pgprot);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) static inline unsigned long huge_pte_write(pte_t pte)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) return pte_write(pte);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) static inline unsigned long huge_pte_dirty(pte_t pte)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) return pte_dirty(pte);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) static inline pte_t huge_pte_mkwrite(pte_t pte)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) return pte_mkwrite(pte);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) static inline pte_t huge_pte_mkdirty(pte_t pte)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) return pte_mkdirty(pte);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) static inline pte_t huge_pte_modify(pte_t pte, pgprot_t newprot)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) return pte_modify(pte, newprot);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #ifndef __HAVE_ARCH_HUGE_PTE_CLEAR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) static inline void huge_pte_clear(struct mm_struct *mm, unsigned long addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) pte_t *ptep, unsigned long sz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) pte_clear(mm, addr, ptep);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) #ifndef __HAVE_ARCH_HUGETLB_FREE_PGD_RANGE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) static inline void hugetlb_free_pgd_range(struct mmu_gather *tlb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) unsigned long addr, unsigned long end,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) unsigned long floor, unsigned long ceiling)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) free_pgd_range(tlb, addr, end, floor, ceiling);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) #ifndef __HAVE_ARCH_HUGE_SET_HUGE_PTE_AT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) static inline void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) pte_t *ptep, pte_t pte)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) set_pte_at(mm, addr, ptep, pte);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) #ifndef __HAVE_ARCH_HUGE_PTEP_GET_AND_CLEAR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) unsigned long addr, pte_t *ptep)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) return ptep_get_and_clear(mm, addr, ptep);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) #ifndef __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) unsigned long addr, pte_t *ptep)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) ptep_clear_flush(vma, addr, ptep);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) #ifndef __HAVE_ARCH_HUGE_PTE_NONE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) static inline int huge_pte_none(pte_t pte)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) return pte_none(pte);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) #ifndef __HAVE_ARCH_HUGE_PTE_WRPROTECT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) static inline pte_t huge_pte_wrprotect(pte_t pte)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) return pte_wrprotect(pte);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) #ifndef __HAVE_ARCH_PREPARE_HUGEPAGE_RANGE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) static inline int prepare_hugepage_range(struct file *file,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) unsigned long addr, unsigned long len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) struct hstate *h = hstate_file(file);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) if (len & ~huge_page_mask(h))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) if (addr & ~huge_page_mask(h))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) #ifndef __HAVE_ARCH_HUGE_PTEP_SET_WRPROTECT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) unsigned long addr, pte_t *ptep)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) ptep_set_wrprotect(mm, addr, ptep);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) #ifndef __HAVE_ARCH_HUGE_PTEP_SET_ACCESS_FLAGS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) unsigned long addr, pte_t *ptep,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) pte_t pte, int dirty)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) return ptep_set_access_flags(vma, addr, ptep, pte, dirty);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) #ifndef __HAVE_ARCH_HUGE_PTEP_GET
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) static inline pte_t huge_ptep_get(pte_t *ptep)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) return ptep_get(ptep);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) #ifndef __HAVE_ARCH_GIGANTIC_PAGE_RUNTIME_SUPPORTED
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) static inline bool gigantic_page_runtime_supported(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) return IS_ENABLED(CONFIG_ARCH_HAS_GIGANTIC_PAGE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) #endif /* __HAVE_ARCH_GIGANTIC_PAGE_RUNTIME_SUPPORTED */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) #endif /* _ASM_GENERIC_HUGETLB_H */
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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