Lines Matching refs:vma
420 void free_pgtables(struct mmu_gather *tlb, struct vm_area_struct *vma, in free_pgtables() argument
423 while (vma) { in free_pgtables()
424 struct vm_area_struct *next = vma->vm_next; in free_pgtables()
425 unsigned long addr = vma->vm_start; in free_pgtables()
431 vm_write_begin(vma); in free_pgtables()
432 unlink_anon_vmas(vma); in free_pgtables()
433 vm_write_end(vma); in free_pgtables()
434 unlink_file_vma(vma); in free_pgtables()
436 if (is_vm_hugetlb_page(vma)) { in free_pgtables()
437 hugetlb_free_pgd_range(tlb, addr, vma->vm_end, in free_pgtables()
443 while (next && next->vm_start <= vma->vm_end + PMD_SIZE in free_pgtables()
445 vma = next; in free_pgtables()
446 next = vma->vm_next; in free_pgtables()
447 vm_write_begin(vma); in free_pgtables()
448 unlink_anon_vmas(vma); in free_pgtables()
449 vm_write_end(vma); in free_pgtables()
450 unlink_file_vma(vma); in free_pgtables()
452 free_pgd_range(tlb, addr, vma->vm_end, in free_pgtables()
455 vma = next; in free_pgtables()
535 static void print_bad_pte(struct vm_area_struct *vma, unsigned long addr, in print_bad_pte() argument
538 pgd_t *pgd = pgd_offset(vma->vm_mm, addr); in print_bad_pte()
567 mapping = vma->vm_file ? vma->vm_file->f_mapping : NULL; in print_bad_pte()
568 index = linear_page_index(vma, addr); in print_bad_pte()
576 (void *)addr, READ_ONCE(vma->vm_flags), vma->anon_vma, mapping, index); in print_bad_pte()
578 vma->vm_file, in print_bad_pte()
579 vma->vm_ops ? vma->vm_ops->fault : NULL, in print_bad_pte()
580 vma->vm_file ? vma->vm_file->f_op->mmap : NULL, in print_bad_pte()
629 struct page *_vm_normal_page(struct vm_area_struct *vma, unsigned long addr, in _vm_normal_page() argument
637 if (vma->vm_ops && vma->vm_ops->find_special_page) in _vm_normal_page()
638 return vma->vm_ops->find_special_page(vma, addr); in _vm_normal_page()
646 print_bad_pte(vma, addr, pte, NULL); in _vm_normal_page()
663 off = (addr - vma->vm_start) >> PAGE_SHIFT; in _vm_normal_page()
664 if (pfn == vma->vm_pgoff + off) in _vm_normal_page()
676 print_bad_pte(vma, addr, pte, NULL); in _vm_normal_page()
689 struct page *vm_normal_page_pmd(struct vm_area_struct *vma, unsigned long addr, in vm_normal_page_pmd() argument
699 if (unlikely(vma->vm_flags & (VM_PFNMAP|VM_MIXEDMAP))) { in vm_normal_page_pmd()
700 if (vma->vm_flags & VM_MIXEDMAP) { in vm_normal_page_pmd()
706 off = (addr - vma->vm_start) >> PAGE_SHIFT; in vm_normal_page_pmd()
707 if (pfn == vma->vm_pgoff + off) in vm_normal_page_pmd()
709 if (!is_cow_mapping(vma->vm_flags)) in vm_normal_page_pmd()
954 page_copy_prealloc(struct mm_struct *src_mm, struct vm_area_struct *vma, in page_copy_prealloc() argument
959 new_page = alloc_page_vma(GFP_HIGHUSER_MOVABLE, vma, addr); in page_copy_prealloc()
1269 struct vm_area_struct *vma, pmd_t *pmd, in zap_pte_range() argument
1299 page = vm_normal_page(vma, addr, ptent); in zap_pte_range()
1322 likely(!(vma->vm_flags & VM_SEQ_READ))) in zap_pte_range()
1328 print_bad_pte(vma, addr, ptent, page); in zap_pte_range()
1375 print_bad_pte(vma, addr, ptent, NULL); in zap_pte_range()
1407 struct vm_area_struct *vma, pud_t *pud, in zap_pmd_range() argument
1419 __split_huge_pmd(vma, pmd, addr, false, NULL); in zap_pmd_range()
1420 else if (zap_huge_pmd(tlb, vma, pmd, addr)) in zap_pmd_range()
1444 next = zap_pte_range(tlb, vma, pmd, addr, next, details); in zap_pmd_range()
1453 struct vm_area_struct *vma, p4d_t *p4d, in zap_pud_range() argument
1466 split_huge_pud(vma, pud, addr); in zap_pud_range()
1467 } else if (zap_huge_pud(tlb, vma, pud, addr)) in zap_pud_range()
1473 next = zap_pmd_range(tlb, vma, pud, addr, next, details); in zap_pud_range()
1482 struct vm_area_struct *vma, pgd_t *pgd, in zap_p4d_range() argument
1494 next = zap_pud_range(tlb, vma, p4d, addr, next, details); in zap_p4d_range()
1501 struct vm_area_struct *vma, in unmap_page_range() argument
1509 tlb_start_vma(tlb, vma); in unmap_page_range()
1510 pgd = pgd_offset(vma->vm_mm, addr); in unmap_page_range()
1515 next = zap_p4d_range(tlb, vma, pgd, addr, next, details); in unmap_page_range()
1517 tlb_end_vma(tlb, vma); in unmap_page_range()
1522 struct vm_area_struct *vma, unsigned long start_addr, in unmap_single_vma() argument
1526 unsigned long start = max(vma->vm_start, start_addr); in unmap_single_vma()
1529 if (start >= vma->vm_end) in unmap_single_vma()
1531 end = min(vma->vm_end, end_addr); in unmap_single_vma()
1532 if (end <= vma->vm_start) in unmap_single_vma()
1535 if (vma->vm_file) in unmap_single_vma()
1536 uprobe_munmap(vma, start, end); in unmap_single_vma()
1538 if (unlikely(vma->vm_flags & VM_PFNMAP)) in unmap_single_vma()
1539 untrack_pfn(vma, 0, 0); in unmap_single_vma()
1542 if (unlikely(is_vm_hugetlb_page(vma))) { in unmap_single_vma()
1554 if (vma->vm_file) { in unmap_single_vma()
1555 i_mmap_lock_write(vma->vm_file->f_mapping); in unmap_single_vma()
1556 __unmap_hugepage_range_final(tlb, vma, start, end, NULL); in unmap_single_vma()
1557 i_mmap_unlock_write(vma->vm_file->f_mapping); in unmap_single_vma()
1560 unmap_page_range(tlb, vma, start, end, details); in unmap_single_vma()
1583 struct vm_area_struct *vma, unsigned long start_addr, in unmap_vmas() argument
1588 mmu_notifier_range_init(&range, MMU_NOTIFY_UNMAP, 0, vma, vma->vm_mm, in unmap_vmas()
1591 for ( ; vma && vma->vm_start < end_addr; vma = vma->vm_next) in unmap_vmas()
1592 unmap_single_vma(tlb, vma, start_addr, end_addr, NULL); in unmap_vmas()
1604 void zap_page_range(struct vm_area_struct *vma, unsigned long start, in zap_page_range() argument
1611 mmu_notifier_range_init(&range, MMU_NOTIFY_CLEAR, 0, vma, vma->vm_mm, in zap_page_range()
1613 tlb_gather_mmu(&tlb, vma->vm_mm, start, range.end); in zap_page_range()
1614 update_hiwater_rss(vma->vm_mm); in zap_page_range()
1616 for ( ; vma && vma->vm_start < range.end; vma = vma->vm_next) in zap_page_range()
1617 unmap_single_vma(&tlb, vma, start, range.end, NULL); in zap_page_range()
1631 static void zap_page_range_single(struct vm_area_struct *vma, unsigned long address, in zap_page_range_single() argument
1638 mmu_notifier_range_init(&range, MMU_NOTIFY_CLEAR, 0, vma, vma->vm_mm, in zap_page_range_single()
1640 tlb_gather_mmu(&tlb, vma->vm_mm, address, range.end); in zap_page_range_single()
1641 update_hiwater_rss(vma->vm_mm); in zap_page_range_single()
1643 unmap_single_vma(&tlb, vma, address, range.end, details); in zap_page_range_single()
1659 void zap_vma_ptes(struct vm_area_struct *vma, unsigned long address, in zap_vma_ptes() argument
1662 if (address < vma->vm_start || address + size > vma->vm_end || in zap_vma_ptes()
1663 !(vma->vm_flags & VM_PFNMAP)) in zap_vma_ptes()
1666 zap_page_range_single(vma, address, size, NULL); in zap_vma_ptes()
1730 static int insert_page(struct vm_area_struct *vma, unsigned long addr, in insert_page() argument
1733 struct mm_struct *mm = vma->vm_mm; in insert_page()
1768 static int insert_pages(struct vm_area_struct *vma, unsigned long addr, in insert_pages() argument
1774 struct mm_struct *const mm = vma->vm_mm; in insert_pages()
1838 int vm_insert_pages(struct vm_area_struct *vma, unsigned long addr, in vm_insert_pages() argument
1844 if (addr < vma->vm_start || end_addr >= vma->vm_end) in vm_insert_pages()
1846 if (!(vma->vm_flags & VM_MIXEDMAP)) { in vm_insert_pages()
1847 BUG_ON(mmap_read_trylock(vma->vm_mm)); in vm_insert_pages()
1848 BUG_ON(vma->vm_flags & VM_PFNMAP); in vm_insert_pages()
1849 vma->vm_flags |= VM_MIXEDMAP; in vm_insert_pages()
1852 return insert_pages(vma, addr, pages, num, vma->vm_page_prot); in vm_insert_pages()
1858 err = vm_insert_page(vma, addr + (PAGE_SIZE * idx), pages[idx]); in vm_insert_pages()
1897 int vm_insert_page(struct vm_area_struct *vma, unsigned long addr, in vm_insert_page() argument
1900 if (addr < vma->vm_start || addr >= vma->vm_end) in vm_insert_page()
1904 if (!(vma->vm_flags & VM_MIXEDMAP)) { in vm_insert_page()
1905 BUG_ON(mmap_read_trylock(vma->vm_mm)); in vm_insert_page()
1906 BUG_ON(vma->vm_flags & VM_PFNMAP); in vm_insert_page()
1907 vma->vm_flags |= VM_MIXEDMAP; in vm_insert_page()
1909 return insert_page(vma, addr, page, vma->vm_page_prot); in vm_insert_page()
1924 static int __vm_map_pages(struct vm_area_struct *vma, struct page **pages, in __vm_map_pages() argument
1927 unsigned long count = vma_pages(vma); in __vm_map_pages()
1928 unsigned long uaddr = vma->vm_start; in __vm_map_pages()
1940 ret = vm_insert_page(vma, uaddr, pages[offset + i]); in __vm_map_pages()
1967 int vm_map_pages(struct vm_area_struct *vma, struct page **pages, in vm_map_pages() argument
1970 return __vm_map_pages(vma, pages, num, vma->vm_pgoff); in vm_map_pages()
1987 int vm_map_pages_zero(struct vm_area_struct *vma, struct page **pages, in vm_map_pages_zero() argument
1990 return __vm_map_pages(vma, pages, num, 0); in vm_map_pages_zero()
1994 static vm_fault_t insert_pfn(struct vm_area_struct *vma, unsigned long addr, in insert_pfn() argument
1997 struct mm_struct *mm = vma->vm_mm; in insert_pfn()
2022 vma->vm_flags); in insert_pfn()
2023 if (ptep_set_access_flags(vma, addr, pte, entry, 1)) in insert_pfn()
2024 update_mmu_cache(vma, addr, pte); in insert_pfn()
2037 entry = maybe_mkwrite(pte_mkdirty(entry), vma->vm_flags); in insert_pfn()
2041 update_mmu_cache(vma, addr, pte); /* XXX: why not for insert_page? */ in insert_pfn()
2069 vm_fault_t vmf_insert_pfn_prot(struct vm_area_struct *vma, unsigned long addr, in vmf_insert_pfn_prot() argument
2078 BUG_ON(!(vma->vm_flags & (VM_PFNMAP|VM_MIXEDMAP))); in vmf_insert_pfn_prot()
2079 BUG_ON((vma->vm_flags & (VM_PFNMAP|VM_MIXEDMAP)) == in vmf_insert_pfn_prot()
2081 BUG_ON((vma->vm_flags & VM_PFNMAP) && is_cow_mapping(vma->vm_flags)); in vmf_insert_pfn_prot()
2082 BUG_ON((vma->vm_flags & VM_MIXEDMAP) && pfn_valid(pfn)); in vmf_insert_pfn_prot()
2084 if (addr < vma->vm_start || addr >= vma->vm_end) in vmf_insert_pfn_prot()
2090 track_pfn_insert(vma, &pgprot, __pfn_to_pfn_t(pfn, PFN_DEV)); in vmf_insert_pfn_prot()
2092 return insert_pfn(vma, addr, __pfn_to_pfn_t(pfn, PFN_DEV), pgprot, in vmf_insert_pfn_prot()
2117 vm_fault_t vmf_insert_pfn(struct vm_area_struct *vma, unsigned long addr, in vmf_insert_pfn() argument
2120 return vmf_insert_pfn_prot(vma, addr, pfn, vma->vm_page_prot); in vmf_insert_pfn()
2124 static bool vm_mixed_ok(struct vm_area_struct *vma, pfn_t pfn) in vm_mixed_ok() argument
2127 if (vma->vm_flags & VM_MIXEDMAP) in vm_mixed_ok()
2138 static vm_fault_t __vm_insert_mixed(struct vm_area_struct *vma, in __vm_insert_mixed() argument
2144 BUG_ON(!vm_mixed_ok(vma, pfn)); in __vm_insert_mixed()
2146 if (addr < vma->vm_start || addr >= vma->vm_end) in __vm_insert_mixed()
2149 track_pfn_insert(vma, &pgprot, pfn); in __vm_insert_mixed()
2171 err = insert_page(vma, addr, page, pgprot); in __vm_insert_mixed()
2173 return insert_pfn(vma, addr, pfn, pgprot, mkwrite); in __vm_insert_mixed()
2210 vm_fault_t vmf_insert_mixed_prot(struct vm_area_struct *vma, unsigned long addr, in vmf_insert_mixed_prot() argument
2213 return __vm_insert_mixed(vma, addr, pfn, pgprot, false); in vmf_insert_mixed_prot()
2217 vm_fault_t vmf_insert_mixed(struct vm_area_struct *vma, unsigned long addr, in vmf_insert_mixed() argument
2220 return __vm_insert_mixed(vma, addr, pfn, vma->vm_page_prot, false); in vmf_insert_mixed()
2229 vm_fault_t vmf_insert_mixed_mkwrite(struct vm_area_struct *vma, in vmf_insert_mixed_mkwrite() argument
2232 return __vm_insert_mixed(vma, addr, pfn, vma->vm_page_prot, true); in vmf_insert_mixed_mkwrite()
2346 int remap_pfn_range(struct vm_area_struct *vma, unsigned long addr, in remap_pfn_range() argument
2352 struct mm_struct *mm = vma->vm_mm; in remap_pfn_range()
2377 if (is_cow_mapping(vma->vm_flags)) { in remap_pfn_range()
2378 if (addr != vma->vm_start || end != vma->vm_end) in remap_pfn_range()
2380 vma->vm_pgoff = pfn; in remap_pfn_range()
2383 err = track_pfn_remap(vma, &prot, remap_pfn, addr, PAGE_ALIGN(size)); in remap_pfn_range()
2387 vma->vm_flags |= VM_IO | VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP; in remap_pfn_range()
2392 flush_cache_range(vma, addr, end); in remap_pfn_range()
2402 untrack_pfn(vma, remap_pfn, PAGE_ALIGN(size)); in remap_pfn_range()
2423 int vm_iomap_memory(struct vm_area_struct *vma, phys_addr_t start, unsigned long len) in vm_iomap_memory() argument
2442 if (vma->vm_pgoff > pages) in vm_iomap_memory()
2444 pfn += vma->vm_pgoff; in vm_iomap_memory()
2445 pages -= vma->vm_pgoff; in vm_iomap_memory()
2448 vm_len = vma->vm_end - vma->vm_start; in vm_iomap_memory()
2453 return io_remap_pfn_range(vma, vma->vm_start, pfn, vm_len, vma->vm_page_prot); in vm_iomap_memory()
2636 vmf->ptl = pte_lockptr(vmf->vma->vm_mm, vmf->pmd); in pte_spinlock()
2643 trace_spf_vma_changed(_RET_IP_, vmf->vma, vmf->address); in pte_spinlock()
2654 trace_spf_pmd_changed(_RET_IP_, vmf->vma, vmf->address); in pte_spinlock()
2659 vmf->ptl = pte_lockptr(vmf->vma->vm_mm, vmf->pmd); in pte_spinlock()
2661 trace_spf_pte_lock(_RET_IP_, vmf->vma, vmf->address); in pte_spinlock()
2667 trace_spf_vma_changed(_RET_IP_, vmf->vma, vmf->address); in pte_spinlock()
2695 trace_spf_vma_changed(_RET_IP_, vmf->vma, addr); in __pte_map_lock_speculative()
2706 trace_spf_pmd_changed(_RET_IP_, vmf->vma, addr); in __pte_map_lock_speculative()
2718 ptl = pte_lockptr(vmf->vma->vm_mm, vmf->pmd); in __pte_map_lock_speculative()
2722 trace_spf_pte_lock(_RET_IP_, vmf->vma, addr); in __pte_map_lock_speculative()
2728 trace_spf_vma_changed(_RET_IP_, vmf->vma, addr); in __pte_map_lock_speculative()
2743 vmf->pte = pte_offset_map_lock(vmf->vma->vm_mm, vmf->pmd, in pte_map_lock()
2754 vmf->pte = pte_offset_map_lock(vmf->vma->vm_mm, vmf->pmd, in pte_map_lock_addr()
2772 if (vma_is_anonymous(vmf->vma)) { in vmf_allows_speculation()
2778 if (!vmf->vma->anon_vma) { in vmf_allows_speculation()
2779 trace_spf_vma_notsup(_RET_IP_, vmf->vma, vmf->address); in vmf_allows_speculation()
2791 trace_spf_vma_notsup(_RET_IP_, vmf->vma, vmf->address); in vmf_allows_speculation()
2795 if (!(vmf->vma->vm_flags & VM_SHARED) && in vmf_allows_speculation()
2797 !vmf->vma->anon_vma) { in vmf_allows_speculation()
2802 trace_spf_vma_notsup(_RET_IP_, vmf->vma, vmf->address); in vmf_allows_speculation()
2806 if (vmf->vma->vm_ops->allow_speculation && in vmf_allows_speculation()
2807 vmf->vma->vm_ops->allow_speculation()) { in vmf_allows_speculation()
2811 trace_spf_vma_notsup(_RET_IP_, vmf->vma, vmf->address); in vmf_allows_speculation()
2818 vmf->ptl = pte_lockptr(vmf->vma->vm_mm, vmf->pmd); in pte_spinlock()
2825 vmf->pte = pte_offset_map_lock(vmf->vma->vm_mm, vmf->pmd, in pte_map_lock()
2832 vmf->pte = pte_offset_map_lock(vmf->vma->vm_mm, vmf->pmd, in pte_map_lock_addr()
2896 struct vm_area_struct *vma = vmf->vma; in cow_user_page() local
2897 struct mm_struct *mm = vma->vm_mm; in cow_user_page()
2901 copy_user_highpage(dst, src, addr, vma); in cow_user_page()
2928 update_mmu_tlb(vma, addr, vmf->pte); in cow_user_page()
2934 if (ptep_set_access_flags(vma, addr, vmf->pte, entry, 0)) in cow_user_page()
2935 update_mmu_cache(vma, addr, vmf->pte); in cow_user_page()
2953 update_mmu_tlb(vma, addr, vmf->pte); in cow_user_page()
2984 static gfp_t __get_fault_gfp_mask(struct vm_area_struct *vma) in __get_fault_gfp_mask() argument
2986 struct file *vm_file = vma->vm_file; in __get_fault_gfp_mask()
3012 if (vmf->vma->vm_file && in do_page_mkwrite()
3013 IS_SWAPFILE(vmf->vma->vm_file->f_mapping->host)) in do_page_mkwrite()
3016 ret = vmf->vma->vm_ops->page_mkwrite(vmf); in do_page_mkwrite()
3040 struct vm_area_struct *vma = vmf->vma; in fault_dirty_shared_page() local
3044 bool page_mkwrite = vma->vm_ops && vma->vm_ops->page_mkwrite; in fault_dirty_shared_page()
3058 file_update_time(vma->vm_file); in fault_dirty_shared_page()
3094 struct vm_area_struct *vma = vmf->vma; in wp_page_reuse() local
3105 flush_cache_page(vma, vmf->address, pte_pfn(vmf->orig_pte)); in wp_page_reuse()
3108 if (ptep_set_access_flags(vma, vmf->address, vmf->pte, entry, 1)) in wp_page_reuse()
3109 update_mmu_cache(vma, vmf->address, vmf->pte); in wp_page_reuse()
3132 struct vm_area_struct *vma = vmf->vma; in wp_page_copy() local
3133 struct mm_struct *mm = vma->vm_mm; in wp_page_copy()
3141 if (unlikely(anon_vma_prepare(vma))) in wp_page_copy()
3145 new_page = alloc_zeroed_user_highpage_movable(vma, in wp_page_copy()
3150 new_page = alloc_page_vma(GFP_HIGHUSER_MOVABLE, vma, in wp_page_copy()
3176 mmu_notifier_range_init(&range, MMU_NOTIFY_CLEAR, 0, vma, mm, in wp_page_copy()
3198 flush_cache_page(vma, vmf->address, pte_pfn(vmf->orig_pte)); in wp_page_copy()
3208 ptep_clear_flush_notify(vma, vmf->address, vmf->pte); in wp_page_copy()
3209 __page_add_new_anon_rmap(new_page, vma, vmf->address, false); in wp_page_copy()
3217 update_mmu_cache(vma, vmf->address, vmf->pte); in wp_page_copy()
3248 update_mmu_tlb(vma, vmf->address, vmf->pte); in wp_page_copy()
3310 update_mmu_tlb(vmf->vma, vmf->address, vmf->pte); in finish_mkwrite_fault()
3324 struct vm_area_struct *vma = vmf->vma; in wp_pfn_shared() local
3326 if (vma->vm_ops && vma->vm_ops->pfn_mkwrite) { in wp_pfn_shared()
3331 ret = vma->vm_ops->pfn_mkwrite(vmf); in wp_pfn_shared()
3343 struct vm_area_struct *vma = vmf->vma; in wp_page_shared() local
3348 if (vma->vm_ops && vma->vm_ops->page_mkwrite) { in wp_page_shared()
3395 struct vm_area_struct *vma = vmf->vma; in do_wp_page() local
3397 if (userfaultfd_pte_wp(vma, *vmf->pte)) { in do_wp_page()
3408 if (unlikely(userfaultfd_wp(vmf->vma) && in do_wp_page()
3409 mm_tlb_flush_pending(vmf->vma->vm_mm))) in do_wp_page()
3410 flush_tlb_page(vmf->vma, vmf->address); in do_wp_page()
3412 vmf->page = _vm_normal_page(vma, vmf->address, vmf->orig_pte, in do_wp_page()
3468 static void unmap_mapping_range_vma(struct vm_area_struct *vma, in unmap_mapping_range_vma() argument
3472 zap_page_range_single(vma, start_addr, end_addr - start_addr, details); in unmap_mapping_range_vma()
3478 struct vm_area_struct *vma; in unmap_mapping_range_tree() local
3481 vma_interval_tree_foreach(vma, root, in unmap_mapping_range_tree()
3484 vba = vma->vm_pgoff; in unmap_mapping_range_tree()
3485 vea = vba + vma_pages(vma) - 1; in unmap_mapping_range_tree()
3493 unmap_mapping_range_vma(vma, in unmap_mapping_range_tree()
3494 ((zba - vba) << PAGE_SHIFT) + vma->vm_start, in unmap_mapping_range_tree()
3495 ((zea - vba + 1) << PAGE_SHIFT) + vma->vm_start, in unmap_mapping_range_tree()
3604 struct vm_area_struct *vma = vmf->vma; in do_swap_page() local
3633 migration_entry_wait(vma->vm_mm, vmf->pmd, in do_swap_page()
3641 print_bad_pte(vma, vmf->address, vmf->orig_pte, NULL); in do_swap_page()
3649 page = lookup_swap_cache(entry, vma, vmf->address); in do_swap_page()
3661 page = alloc_page_vma(flags, vma, vmf->address); in do_swap_page()
3671 err = mem_cgroup_charge(page, vma->vm_mm, in do_swap_page()
3724 count_memcg_event_mm(vma->vm_mm, PGMAJFAULT); in do_swap_page()
3735 locked = lock_page_or_retry(page, vma->vm_mm, vmf->flags); in do_swap_page()
3753 page = ksm_might_need_to_copy(page, vma, vmf->address); in do_swap_page()
3788 inc_mm_counter_fast(vma->vm_mm, MM_ANONPAGES); in do_swap_page()
3789 dec_mm_counter_fast(vma->vm_mm, MM_SWAPENTS); in do_swap_page()
3797 flush_icache_page(vma, page); in do_swap_page()
3804 set_pte_at(vma->vm_mm, vmf->address, vmf->pte, pte); in do_swap_page()
3805 arch_do_swap_page(vma->vm_mm, vma, vmf->address, pte, vmf->orig_pte); in do_swap_page()
3810 __page_add_new_anon_rmap(page, vma, vmf->address, false); in do_swap_page()
3813 do_page_add_anon_rmap(page, vma, vmf->address, exclusive); in do_swap_page()
3843 update_mmu_cache(vma, vmf->address, vmf->pte); in do_swap_page()
3868 struct vm_area_struct *vma = vmf->vma; in do_anonymous_page() local
3891 if (pte_alloc(vma->vm_mm, vmf->pmd)) in do_anonymous_page()
3901 !mm_forbids_zeropage(vma->vm_mm)) { in do_anonymous_page()
3907 update_mmu_tlb(vma, vmf->address, vmf->pte); in do_anonymous_page()
3910 ret = check_stable_address_space(vma->vm_mm); in do_anonymous_page()
3922 if (userfaultfd_missing(vma)) { in do_anonymous_page()
3930 if (unlikely(anon_vma_prepare(vma))) in do_anonymous_page()
3932 page = alloc_zeroed_user_highpage_movable(vma, vmf->address); in do_anonymous_page()
3936 if (mem_cgroup_charge(page, vma->vm_mm, GFP_KERNEL)) in do_anonymous_page()
3958 update_mmu_cache(vma, vmf->address, vmf->pte); in do_anonymous_page()
3962 ret = check_stable_address_space(vma->vm_mm); in do_anonymous_page()
3968 userfaultfd_missing(vma)) { in do_anonymous_page()
3974 inc_mm_counter_fast(vma->vm_mm, MM_ANONPAGES); in do_anonymous_page()
3975 __page_add_new_anon_rmap(page, vma, vmf->address, false); in do_anonymous_page()
3978 set_pte_at(vma->vm_mm, vmf->address, vmf->pte, entry); in do_anonymous_page()
3981 update_mmu_cache(vma, vmf->address, vmf->pte); in do_anonymous_page()
4003 struct vm_area_struct *vma = vmf->vma; in __do_fault() local
4026 vmf->prealloc_pte = pte_alloc_one(vma->vm_mm); in __do_fault()
4033 ret = vma->vm_ops->fault(vmf); in __do_fault()
4066 struct vm_area_struct *vma = vmf->vma; in deposit_prealloc_pte() local
4068 pgtable_trans_huge_deposit(vma->vm_mm, vmf->pmd, vmf->prealloc_pte); in deposit_prealloc_pte()
4073 mm_inc_nr_ptes(vma->vm_mm); in deposit_prealloc_pte()
4079 struct vm_area_struct *vma = vmf->vma; in do_set_pmd() local
4086 if (!transhuge_vma_suitable(vma, haddr)) in do_set_pmd()
4098 vmf->prealloc_pte = pte_alloc_one(vma->vm_mm); in do_set_pmd()
4104 vmf->ptl = pmd_lock(vma->vm_mm, vmf->pmd); in do_set_pmd()
4109 flush_icache_page(vma, page + i); in do_set_pmd()
4113 entry = maybe_pmd_mkwrite(pmd_mkdirty(entry), vma); in do_set_pmd()
4115 add_mm_counter(vma->vm_mm, mm_counter_file(page), HPAGE_PMD_NR); in do_set_pmd()
4123 set_pmd_at(vma->vm_mm, haddr, vmf->pmd, entry); in do_set_pmd()
4125 update_mmu_cache_pmd(vma, haddr, vmf->pmd); in do_set_pmd()
4143 struct vm_area_struct *vma = vmf->vma; in do_set_pte() local
4148 flush_icache_page(vma, page); in do_set_pte()
4160 inc_mm_counter_fast(vma->vm_mm, MM_ANONPAGES); in do_set_pte()
4161 __page_add_new_anon_rmap(page, vma, addr, false); in do_set_pte()
4164 inc_mm_counter_fast(vma->vm_mm, mm_counter_file(page)); in do_set_pte()
4167 set_pte_at(vma->vm_mm, addr, vmf->pte, entry); in do_set_pte()
4187 struct vm_area_struct *vma = vmf->vma; in finish_fault() local
4202 if (!(vma->vm_flags & VM_SHARED)) { in finish_fault()
4203 ret = check_stable_address_space(vma->vm_mm); in finish_fault()
4220 vmf->ptl = pmd_lock(vma->vm_mm, vmf->pmd); in finish_fault()
4222 mm_inc_nr_ptes(vma->vm_mm); in finish_fault()
4223 pmd_populate(vma->vm_mm, vmf->pmd, vmf->prealloc_pte); in finish_fault()
4227 } else if (unlikely(pte_alloc(vma->vm_mm, vmf->pmd))) { in finish_fault()
4250 update_mmu_tlb(vma, vmf->address, vmf->pte); in finish_fault()
4325 address = max(address & mask, vmf->vma->vm_start); in do_fault_around()
4336 end_pgoff = min3(end_pgoff, vma_pages(vmf->vma) + vmf->vma->vm_pgoff - 1, in do_fault_around()
4341 vmf->prealloc_pte = pte_alloc_one(vmf->vma->vm_mm); in do_fault_around()
4347 return vmf->vma->vm_ops->map_pages(vmf, start_pgoff, end_pgoff); in do_fault_around()
4352 struct vm_area_struct *vma = vmf->vma; in do_read_fault() local
4360 if (vma->vm_ops->map_pages && fault_around_bytes >> PAGE_SHIFT > 1) { in do_read_fault()
4361 if (likely(!userfaultfd_minor(vmf->vma))) { in do_read_fault()
4381 struct vm_area_struct *vma = vmf->vma; in do_cow_fault() local
4384 if (unlikely(anon_vma_prepare(vma))) in do_cow_fault()
4387 vmf->cow_page = alloc_page_vma(GFP_HIGHUSER_MOVABLE, vma, vmf->address); in do_cow_fault()
4391 if (mem_cgroup_charge(vmf->cow_page, vma->vm_mm, GFP_KERNEL)) { in do_cow_fault()
4403 copy_user_highpage(vmf->cow_page, vmf->page, vmf->address, vma); in do_cow_fault()
4419 struct vm_area_struct *vma = vmf->vma; in do_shared_fault() local
4430 if (vma->vm_ops->page_mkwrite) { in do_shared_fault()
4462 struct vm_area_struct *vma = vmf->vma; in do_fault() local
4463 struct mm_struct *vm_mm = vma->vm_mm; in do_fault()
4469 if (!vma->vm_ops->fault) { in do_fault()
4477 vmf->pte = pte_offset_map_lock(vmf->vma->vm_mm, in do_fault()
4510 static int numa_migrate_prep(struct page *page, struct vm_area_struct *vma, in numa_migrate_prep() argument
4522 return mpol_misplaced(page, vma, addr); in numa_migrate_prep()
4527 struct vm_area_struct *vma = vmf->vma; in do_numa_page() local
4553 old_pte = ptep_modify_prot_start(vma, vmf->address, vmf->pte); in do_numa_page()
4558 ptep_modify_prot_commit(vma, vmf->address, vmf->pte, old_pte, pte); in do_numa_page()
4559 update_mmu_cache(vma, vmf->address, vmf->pte); in do_numa_page()
4561 page = _vm_normal_page(vma, vmf->address, pte, vmf->vma_flags); in do_numa_page()
4593 target_nid = numa_migrate_prep(page, vma, vmf->address, page_nid, in do_numa_page()
4617 if (vma_is_anonymous(vmf->vma)) in create_huge_pmd()
4619 if (vmf->vma->vm_ops->huge_fault) in create_huge_pmd()
4620 return vmf->vma->vm_ops->huge_fault(vmf, PE_SIZE_PMD); in create_huge_pmd()
4627 if (vma_is_anonymous(vmf->vma)) { in wp_huge_pmd()
4628 if (userfaultfd_huge_pmd_wp(vmf->vma, orig_pmd)) in wp_huge_pmd()
4632 if (vmf->vma->vm_ops->huge_fault) { in wp_huge_pmd()
4633 vm_fault_t ret = vmf->vma->vm_ops->huge_fault(vmf, PE_SIZE_PMD); in wp_huge_pmd()
4640 __split_huge_pmd(vmf->vma, vmf->pmd, vmf->address, false, NULL); in wp_huge_pmd()
4650 if (vma_is_anonymous(vmf->vma)) in create_huge_pud()
4652 if (vmf->vma->vm_ops->huge_fault) in create_huge_pud()
4653 return vmf->vma->vm_ops->huge_fault(vmf, PE_SIZE_PUD); in create_huge_pud()
4663 if (vma_is_anonymous(vmf->vma)) in wp_huge_pud()
4665 if (vmf->vma->vm_ops->huge_fault) { in wp_huge_pud()
4666 vm_fault_t ret = vmf->vma->vm_ops->huge_fault(vmf, PE_SIZE_PUD); in wp_huge_pud()
4673 __split_huge_pud(vmf->vma, vmf->pud, vmf->address); in wp_huge_pud()
4754 if (vma_is_anonymous(vmf->vma)) in handle_pte_fault()
4766 if (pte_protnone(vmf->orig_pte) && vma_is_accessible(vmf->vma)) in handle_pte_fault()
4773 update_mmu_tlb(vmf->vma, vmf->address, vmf->pte); in handle_pte_fault()
4781 if (!mmu_notifier_trylock(vmf->vma->vm_mm)) { in handle_pte_fault()
4787 mmu_notifier_unlock(vmf->vma->vm_mm); in handle_pte_fault()
4793 if (ptep_set_access_flags(vmf->vma, vmf->address, vmf->pte, entry, in handle_pte_fault()
4795 update_mmu_cache(vmf->vma, vmf->address, vmf->pte); in handle_pte_fault()
4809 flush_tlb_fix_spurious_fault(vmf->vma, vmf->address); in handle_pte_fault()
4824 static vm_fault_t __handle_mm_fault(struct vm_area_struct *vma, in __handle_mm_fault() argument
4828 .vma = vma, in __handle_mm_fault()
4831 .pgoff = linear_page_index(vma, address), in __handle_mm_fault()
4832 .gfp_mask = __get_fault_gfp_mask(vma), in __handle_mm_fault()
4833 .vma_flags = vma->vm_flags, in __handle_mm_fault()
4834 .vma_page_prot = vma->vm_page_prot, in __handle_mm_fault()
4837 struct mm_struct *mm = vma->vm_mm; in __handle_mm_fault()
4851 if (pud_none(*vmf.pud) && __transparent_hugepage_enabled(vma)) { in __handle_mm_fault()
4883 vmf.sequence = raw_read_seqcount(&vma->vm_sequence); in __handle_mm_fault()
4885 if (pmd_none(*vmf.pmd) && __transparent_hugepage_enabled(vma)) { in __handle_mm_fault()
4901 if (pmd_protnone(orig_pmd) && vma_is_accessible(vma)) in __handle_mm_fault()
5000 struct vm_area_struct *vma) in ___handle_speculative_fault() argument
5004 .pgoff = linear_page_index(vma, address), in ___handle_speculative_fault()
5005 .vma = vma, in ___handle_speculative_fault()
5006 .gfp_mask = __get_fault_gfp_mask(vma), in ___handle_speculative_fault()
5023 seq = raw_read_seqcount(&vmf.vma->vm_sequence); in ___handle_speculative_fault()
5025 trace_spf_vma_changed(_RET_IP_, vmf.vma, address); in ___handle_speculative_fault()
5032 vmf.vma_flags = READ_ONCE(vmf.vma->vm_flags); in ___handle_speculative_fault()
5033 vmf.vma_page_prot = READ_ONCE(vmf.vma->vm_page_prot); in ___handle_speculative_fault()
5038 trace_spf_vma_notsup(_RET_IP_, vmf.vma, address); in ___handle_speculative_fault()
5049 trace_spf_vma_notsup(_RET_IP_, vmf.vma, address); in ___handle_speculative_fault()
5053 if (address < READ_ONCE(vmf.vma->vm_start) in ___handle_speculative_fault()
5054 || READ_ONCE(vmf.vma->vm_end) <= address) { in ___handle_speculative_fault()
5055 trace_spf_vma_changed(_RET_IP_, vmf.vma, address); in ___handle_speculative_fault()
5059 if (!arch_vma_access_permitted(vmf.vma, flags & FAULT_FLAG_WRITE, in ___handle_speculative_fault()
5077 pol = __get_vma_policy(vmf.vma, address); in ___handle_speculative_fault()
5081 trace_spf_vma_notsup(_RET_IP_, vmf.vma, address); in ___handle_speculative_fault()
5164 if (read_seqcount_retry(&vmf.vma->vm_sequence, seq)) { in ___handle_speculative_fault()
5165 trace_spf_vma_changed(_RET_IP_, vmf.vma, address); in ___handle_speculative_fault()
5174 if (vma_is_anonymous(vmf.vma)) in ___handle_speculative_fault()
5191 trace_spf_vma_notsup(_RET_IP_, vmf.vma, address); in ___handle_speculative_fault()
5196 trace_spf_vma_access(_RET_IP_, vmf.vma, address); in ___handle_speculative_fault()
5202 struct vm_area_struct **vma, in __handle_speculative_fault() argument
5209 *vma = get_vma(mm, address); in __handle_speculative_fault()
5210 if (!*vma) in __handle_speculative_fault()
5213 ret = ___handle_speculative_fault(mm, address, flags, *vma); in __handle_speculative_fault()
5219 put_vma(*vma); in __handle_speculative_fault()
5220 *vma = NULL; in __handle_speculative_fault()
5235 bool can_reuse_spf_vma(struct vm_area_struct *vma, unsigned long address) in can_reuse_spf_vma() argument
5239 ret = !RB_EMPTY_NODE(&vma->vm_rb) && in can_reuse_spf_vma()
5240 vma->vm_start <= address && address < vma->vm_end; in can_reuse_spf_vma()
5241 put_vma(vma); in can_reuse_spf_vma()
5252 vm_fault_t handle_mm_fault(struct vm_area_struct *vma, unsigned long address, in handle_mm_fault() argument
5260 count_memcg_event_mm(vma->vm_mm, PGFAULT); in handle_mm_fault()
5265 if (!arch_vma_access_permitted(vma, flags & FAULT_FLAG_WRITE, in handle_mm_fault()
5277 if (unlikely(is_vm_hugetlb_page(vma))) in handle_mm_fault()
5278 ret = hugetlb_fault(vma->vm_mm, vma, address, flags); in handle_mm_fault()
5280 ret = __handle_mm_fault(vma, address, flags); in handle_mm_fault()
5480 int follow_pfn(struct vm_area_struct *vma, unsigned long address, in follow_pfn() argument
5487 if (!(vma->vm_flags & (VM_IO | VM_PFNMAP))) in follow_pfn()
5490 ret = follow_pte(vma->vm_mm, address, &ptep, &ptl); in follow_pfn()
5500 int follow_phys(struct vm_area_struct *vma, in follow_phys() argument
5508 if (!(vma->vm_flags & (VM_IO | VM_PFNMAP))) in follow_phys()
5511 if (follow_pte(vma->vm_mm, address, &ptep, &ptl)) in follow_phys()
5528 int generic_access_phys(struct vm_area_struct *vma, unsigned long addr, in generic_access_phys() argument
5536 if (follow_phys(vma, addr, write, &prot, &phys_addr)) in generic_access_phys()
5561 struct vm_area_struct *vma; in __access_remote_vm() local
5575 gup_flags, &page, &vma, NULL); in __access_remote_vm()
5584 vma = find_vma(mm, addr); in __access_remote_vm()
5585 if (!vma || vma->vm_start > addr) in __access_remote_vm()
5587 if (vma->vm_ops && vma->vm_ops->access) in __access_remote_vm()
5588 ret = vma->vm_ops->access(vma, addr, buf, in __access_remote_vm()
5602 copy_to_user_page(vma, page, addr, in __access_remote_vm()
5606 copy_from_user_page(vma, page, addr, in __access_remote_vm()
5668 struct vm_area_struct *vma; in print_vma_addr() local
5676 vma = find_vma(mm, ip); in print_vma_addr()
5677 if (vma && vma->vm_file) { in print_vma_addr()
5678 struct file *f = vma->vm_file; in print_vma_addr()
5687 vma->vm_start, in print_vma_addr()
5688 vma->vm_end - vma->vm_start); in print_vma_addr()
5807 struct vm_area_struct *vma, in copy_user_gigantic_page() argument
5816 copy_user_highpage(dst, src, addr + i*PAGE_SIZE, vma); in copy_user_gigantic_page()
5827 struct vm_area_struct *vma; member
5835 addr, copy_arg->vma); in copy_subpage()
5839 unsigned long addr_hint, struct vm_area_struct *vma, in copy_user_huge_page() argument
5847 .vma = vma, in copy_user_huge_page()
5851 copy_user_gigantic_page(dst, src, addr, vma, in copy_user_huge_page()