Lines Matching refs:vma
401 void free_pgtables(struct mmu_gather *tlb, struct vm_area_struct *vma, in free_pgtables() argument
404 while (vma) { in free_pgtables()
405 struct vm_area_struct *next = vma->vm_next; in free_pgtables()
406 unsigned long addr = vma->vm_start; in free_pgtables()
412 unlink_anon_vmas(vma); in free_pgtables()
413 unlink_file_vma(vma); in free_pgtables()
415 if (is_vm_hugetlb_page(vma)) { in free_pgtables()
416 hugetlb_free_pgd_range(tlb, addr, vma->vm_end, in free_pgtables()
422 while (next && next->vm_start <= vma->vm_end + PMD_SIZE in free_pgtables()
424 vma = next; in free_pgtables()
425 next = vma->vm_next; in free_pgtables()
426 unlink_anon_vmas(vma); in free_pgtables()
427 unlink_file_vma(vma); in free_pgtables()
429 free_pgd_range(tlb, addr, vma->vm_end, in free_pgtables()
432 vma = next; in free_pgtables()
512 static void print_bad_pte(struct vm_area_struct *vma, unsigned long addr, in print_bad_pte() argument
515 pgd_t *pgd = pgd_offset(vma->vm_mm, addr); in print_bad_pte()
544 mapping = vma->vm_file ? vma->vm_file->f_mapping : NULL; in print_bad_pte()
545 index = linear_page_index(vma, addr); in print_bad_pte()
553 (void *)addr, vma->vm_flags, vma->anon_vma, mapping, index); in print_bad_pte()
555 vma->vm_file, in print_bad_pte()
556 vma->vm_ops ? vma->vm_ops->fault : NULL, in print_bad_pte()
557 vma->vm_file ? vma->vm_file->f_op->mmap : NULL, in print_bad_pte()
605 struct page *vm_normal_page(struct vm_area_struct *vma, unsigned long addr, in vm_normal_page() argument
613 if (vma->vm_ops && vma->vm_ops->find_special_page) in vm_normal_page()
614 return vma->vm_ops->find_special_page(vma, addr); in vm_normal_page()
615 if (vma->vm_flags & (VM_PFNMAP | VM_MIXEDMAP)) in vm_normal_page()
622 print_bad_pte(vma, addr, pte, NULL); in vm_normal_page()
628 if (unlikely(vma->vm_flags & (VM_PFNMAP|VM_MIXEDMAP))) { in vm_normal_page()
629 if (vma->vm_flags & VM_MIXEDMAP) { in vm_normal_page()
635 off = (addr - vma->vm_start) >> PAGE_SHIFT; in vm_normal_page()
636 if (pfn == vma->vm_pgoff + off) in vm_normal_page()
638 if (!is_cow_mapping(vma->vm_flags)) in vm_normal_page()
648 print_bad_pte(vma, addr, pte, NULL); in vm_normal_page()
661 struct page *vm_normal_page_pmd(struct vm_area_struct *vma, unsigned long addr, in vm_normal_page_pmd() argument
671 if (unlikely(vma->vm_flags & (VM_PFNMAP|VM_MIXEDMAP))) { in vm_normal_page_pmd()
672 if (vma->vm_flags & VM_MIXEDMAP) { in vm_normal_page_pmd()
678 off = (addr - vma->vm_start) >> PAGE_SHIFT; in vm_normal_page_pmd()
679 if (pfn == vma->vm_pgoff + off) in vm_normal_page_pmd()
681 if (!is_cow_mapping(vma->vm_flags)) in vm_normal_page_pmd()
702 static void restore_exclusive_pte(struct vm_area_struct *vma, in restore_exclusive_pte() argument
709 pte = pte_mkold(mk_pte(page, READ_ONCE(vma->vm_page_prot))); in restore_exclusive_pte()
717 pte = maybe_mkwrite(pte_mkdirty(pte), vma); in restore_exclusive_pte()
719 set_pte_at(vma->vm_mm, address, ptep, pte); in restore_exclusive_pte()
726 page_add_anon_rmap(page, vma, address, false); in restore_exclusive_pte()
734 if (vma->vm_flags & VM_LOCKED) in restore_exclusive_pte()
741 update_mmu_cache(vma, address, ptep); in restore_exclusive_pte()
749 try_restore_exclusive_pte(pte_t *src_pte, struct vm_area_struct *vma, in try_restore_exclusive_pte() argument
756 restore_exclusive_pte(vma, page, addr, src_pte); in try_restore_exclusive_pte()
984 page_copy_prealloc(struct mm_struct *src_mm, struct vm_area_struct *vma, in page_copy_prealloc() argument
989 new_page = alloc_page_vma(GFP_HIGHUSER_MOVABLE, vma, addr); in page_copy_prealloc()
1305 struct vm_area_struct *vma, pmd_t *pmd, in zap_pte_range() argument
1335 page = vm_normal_page(vma, addr, ptent); in zap_pte_range()
1358 likely(!(vma->vm_flags & VM_SEQ_READ))) in zap_pte_range()
1364 print_bad_pte(vma, addr, ptent, page); in zap_pte_range()
1412 print_bad_pte(vma, addr, ptent, NULL); in zap_pte_range()
1444 struct vm_area_struct *vma, pud_t *pud, in zap_pmd_range() argument
1456 __split_huge_pmd(vma, pmd, addr, false, NULL); in zap_pmd_range()
1457 else if (zap_huge_pmd(tlb, vma, pmd, addr)) in zap_pmd_range()
1481 next = zap_pte_range(tlb, vma, pmd, addr, next, details); in zap_pmd_range()
1490 struct vm_area_struct *vma, p4d_t *p4d, in zap_pud_range() argument
1503 split_huge_pud(vma, pud, addr); in zap_pud_range()
1504 } else if (zap_huge_pud(tlb, vma, pud, addr)) in zap_pud_range()
1510 next = zap_pmd_range(tlb, vma, pud, addr, next, details); in zap_pud_range()
1519 struct vm_area_struct *vma, pgd_t *pgd, in zap_p4d_range() argument
1531 next = zap_pud_range(tlb, vma, p4d, addr, next, details); in zap_p4d_range()
1538 struct vm_area_struct *vma, in unmap_page_range() argument
1546 tlb_start_vma(tlb, vma); in unmap_page_range()
1547 pgd = pgd_offset(vma->vm_mm, addr); in unmap_page_range()
1552 next = zap_p4d_range(tlb, vma, pgd, addr, next, details); in unmap_page_range()
1554 tlb_end_vma(tlb, vma); in unmap_page_range()
1559 struct vm_area_struct *vma, unsigned long start_addr, in unmap_single_vma() argument
1563 unsigned long start = max(vma->vm_start, start_addr); in unmap_single_vma()
1566 if (start >= vma->vm_end) in unmap_single_vma()
1568 end = min(vma->vm_end, end_addr); in unmap_single_vma()
1569 if (end <= vma->vm_start) in unmap_single_vma()
1572 if (vma->vm_file) in unmap_single_vma()
1573 uprobe_munmap(vma, start, end); in unmap_single_vma()
1575 if (unlikely(vma->vm_flags & VM_PFNMAP)) in unmap_single_vma()
1576 untrack_pfn(vma, 0, 0); in unmap_single_vma()
1579 if (unlikely(is_vm_hugetlb_page(vma))) { in unmap_single_vma()
1591 if (vma->vm_file) { in unmap_single_vma()
1592 i_mmap_lock_write(vma->vm_file->f_mapping); in unmap_single_vma()
1593 __unmap_hugepage_range_final(tlb, vma, start, end, NULL); in unmap_single_vma()
1594 i_mmap_unlock_write(vma->vm_file->f_mapping); in unmap_single_vma()
1597 unmap_page_range(tlb, vma, start, end, details); in unmap_single_vma()
1620 struct vm_area_struct *vma, unsigned long start_addr, in unmap_vmas() argument
1625 mmu_notifier_range_init(&range, MMU_NOTIFY_UNMAP, 0, vma, vma->vm_mm, in unmap_vmas()
1628 for ( ; vma && vma->vm_start < end_addr; vma = vma->vm_next) in unmap_vmas()
1629 unmap_single_vma(tlb, vma, start_addr, end_addr, NULL); in unmap_vmas()
1641 void zap_page_range(struct vm_area_struct *vma, unsigned long start, in zap_page_range() argument
1648 mmu_notifier_range_init(&range, MMU_NOTIFY_CLEAR, 0, vma, vma->vm_mm, in zap_page_range()
1650 tlb_gather_mmu(&tlb, vma->vm_mm); in zap_page_range()
1651 update_hiwater_rss(vma->vm_mm); in zap_page_range()
1653 for ( ; vma && vma->vm_start < range.end; vma = vma->vm_next) in zap_page_range()
1654 unmap_single_vma(&tlb, vma, start, range.end, NULL); in zap_page_range()
1668 static void zap_page_range_single(struct vm_area_struct *vma, unsigned long address, in zap_page_range_single() argument
1675 mmu_notifier_range_init(&range, MMU_NOTIFY_CLEAR, 0, vma, vma->vm_mm, in zap_page_range_single()
1677 tlb_gather_mmu(&tlb, vma->vm_mm); in zap_page_range_single()
1678 update_hiwater_rss(vma->vm_mm); in zap_page_range_single()
1680 unmap_single_vma(&tlb, vma, address, range.end, details); in zap_page_range_single()
1696 void zap_vma_ptes(struct vm_area_struct *vma, unsigned long address, in zap_vma_ptes() argument
1699 if (address < vma->vm_start || address + size > vma->vm_end || in zap_vma_ptes()
1700 !(vma->vm_flags & VM_PFNMAP)) in zap_vma_ptes()
1703 zap_page_range_single(vma, address, size, NULL); in zap_vma_ptes()
1767 static int insert_page(struct vm_area_struct *vma, unsigned long addr, in insert_page() argument
1770 struct mm_struct *mm = vma->vm_mm; in insert_page()
1805 static int insert_pages(struct vm_area_struct *vma, unsigned long addr, in insert_pages() argument
1811 struct mm_struct *const mm = vma->vm_mm; in insert_pages()
1875 int vm_insert_pages(struct vm_area_struct *vma, unsigned long addr, in vm_insert_pages() argument
1881 if (addr < vma->vm_start || end_addr >= vma->vm_end) in vm_insert_pages()
1883 if (!(vma->vm_flags & VM_MIXEDMAP)) { in vm_insert_pages()
1884 BUG_ON(mmap_read_trylock(vma->vm_mm)); in vm_insert_pages()
1885 BUG_ON(vma->vm_flags & VM_PFNMAP); in vm_insert_pages()
1886 vma->vm_flags |= VM_MIXEDMAP; in vm_insert_pages()
1889 return insert_pages(vma, addr, pages, num, vma->vm_page_prot); in vm_insert_pages()
1895 err = vm_insert_page(vma, addr + (PAGE_SIZE * idx), pages[idx]); in vm_insert_pages()
1934 int vm_insert_page(struct vm_area_struct *vma, unsigned long addr, in vm_insert_page() argument
1937 if (addr < vma->vm_start || addr >= vma->vm_end) in vm_insert_page()
1941 if (!(vma->vm_flags & VM_MIXEDMAP)) { in vm_insert_page()
1942 BUG_ON(mmap_read_trylock(vma->vm_mm)); in vm_insert_page()
1943 BUG_ON(vma->vm_flags & VM_PFNMAP); in vm_insert_page()
1944 vma->vm_flags |= VM_MIXEDMAP; in vm_insert_page()
1946 return insert_page(vma, addr, page, vma->vm_page_prot); in vm_insert_page()
1961 static int __vm_map_pages(struct vm_area_struct *vma, struct page **pages, in __vm_map_pages() argument
1964 unsigned long count = vma_pages(vma); in __vm_map_pages()
1965 unsigned long uaddr = vma->vm_start; in __vm_map_pages()
1977 ret = vm_insert_page(vma, uaddr, pages[offset + i]); in __vm_map_pages()
2004 int vm_map_pages(struct vm_area_struct *vma, struct page **pages, in vm_map_pages() argument
2007 return __vm_map_pages(vma, pages, num, vma->vm_pgoff); in vm_map_pages()
2024 int vm_map_pages_zero(struct vm_area_struct *vma, struct page **pages, in vm_map_pages_zero() argument
2027 return __vm_map_pages(vma, pages, num, 0); in vm_map_pages_zero()
2031 static vm_fault_t insert_pfn(struct vm_area_struct *vma, unsigned long addr, in insert_pfn() argument
2034 struct mm_struct *mm = vma->vm_mm; in insert_pfn()
2058 entry = maybe_mkwrite(pte_mkdirty(entry), vma); in insert_pfn()
2059 if (ptep_set_access_flags(vma, addr, pte, entry, 1)) in insert_pfn()
2060 update_mmu_cache(vma, addr, pte); in insert_pfn()
2073 entry = maybe_mkwrite(pte_mkdirty(entry), vma); in insert_pfn()
2077 update_mmu_cache(vma, addr, pte); /* XXX: why not for insert_page? */ in insert_pfn()
2105 vm_fault_t vmf_insert_pfn_prot(struct vm_area_struct *vma, unsigned long addr, in vmf_insert_pfn_prot() argument
2114 BUG_ON(!(vma->vm_flags & (VM_PFNMAP|VM_MIXEDMAP))); in vmf_insert_pfn_prot()
2115 BUG_ON((vma->vm_flags & (VM_PFNMAP|VM_MIXEDMAP)) == in vmf_insert_pfn_prot()
2117 BUG_ON((vma->vm_flags & VM_PFNMAP) && is_cow_mapping(vma->vm_flags)); in vmf_insert_pfn_prot()
2118 BUG_ON((vma->vm_flags & VM_MIXEDMAP) && pfn_valid(pfn)); in vmf_insert_pfn_prot()
2120 if (addr < vma->vm_start || addr >= vma->vm_end) in vmf_insert_pfn_prot()
2126 track_pfn_insert(vma, &pgprot, __pfn_to_pfn_t(pfn, PFN_DEV)); in vmf_insert_pfn_prot()
2128 return insert_pfn(vma, addr, __pfn_to_pfn_t(pfn, PFN_DEV), pgprot, in vmf_insert_pfn_prot()
2153 vm_fault_t vmf_insert_pfn(struct vm_area_struct *vma, unsigned long addr, in vmf_insert_pfn() argument
2156 return vmf_insert_pfn_prot(vma, addr, pfn, vma->vm_page_prot); in vmf_insert_pfn()
2160 static bool vm_mixed_ok(struct vm_area_struct *vma, pfn_t pfn) in vm_mixed_ok() argument
2163 if (vma->vm_flags & VM_MIXEDMAP) in vm_mixed_ok()
2174 static vm_fault_t __vm_insert_mixed(struct vm_area_struct *vma, in __vm_insert_mixed() argument
2180 BUG_ON(!vm_mixed_ok(vma, pfn)); in __vm_insert_mixed()
2182 if (addr < vma->vm_start || addr >= vma->vm_end) in __vm_insert_mixed()
2185 track_pfn_insert(vma, &pgprot, pfn); in __vm_insert_mixed()
2207 err = insert_page(vma, addr, page, pgprot); in __vm_insert_mixed()
2209 return insert_pfn(vma, addr, pfn, pgprot, mkwrite); in __vm_insert_mixed()
2246 vm_fault_t vmf_insert_mixed_prot(struct vm_area_struct *vma, unsigned long addr, in vmf_insert_mixed_prot() argument
2249 return __vm_insert_mixed(vma, addr, pfn, pgprot, false); in vmf_insert_mixed_prot()
2253 vm_fault_t vmf_insert_mixed(struct vm_area_struct *vma, unsigned long addr, in vmf_insert_mixed() argument
2256 return __vm_insert_mixed(vma, addr, pfn, vma->vm_page_prot, false); in vmf_insert_mixed()
2265 vm_fault_t vmf_insert_mixed_mkwrite(struct vm_area_struct *vma, in vmf_insert_mixed_mkwrite() argument
2268 return __vm_insert_mixed(vma, addr, pfn, vma->vm_page_prot, true); in vmf_insert_mixed_mkwrite()
2374 int remap_pfn_range_notrack(struct vm_area_struct *vma, unsigned long addr, in remap_pfn_range_notrack() argument
2380 struct mm_struct *mm = vma->vm_mm; in remap_pfn_range_notrack()
2404 if (is_cow_mapping(vma->vm_flags)) { in remap_pfn_range_notrack()
2405 if (addr != vma->vm_start || end != vma->vm_end) in remap_pfn_range_notrack()
2407 vma->vm_pgoff = pfn; in remap_pfn_range_notrack()
2410 vma->vm_flags |= VM_IO | VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP; in remap_pfn_range_notrack()
2415 flush_cache_range(vma, addr, end); in remap_pfn_range_notrack()
2439 int remap_pfn_range(struct vm_area_struct *vma, unsigned long addr, in remap_pfn_range() argument
2444 err = track_pfn_remap(vma, &prot, pfn, addr, PAGE_ALIGN(size)); in remap_pfn_range()
2448 err = remap_pfn_range_notrack(vma, addr, pfn, size, prot); in remap_pfn_range()
2450 untrack_pfn(vma, pfn, PAGE_ALIGN(size)); in remap_pfn_range()
2470 int vm_iomap_memory(struct vm_area_struct *vma, phys_addr_t start, unsigned long len) in vm_iomap_memory() argument
2489 if (vma->vm_pgoff > pages) in vm_iomap_memory()
2491 pfn += vma->vm_pgoff; in vm_iomap_memory()
2492 pages -= vma->vm_pgoff; in vm_iomap_memory()
2495 vm_len = vma->vm_end - vma->vm_start; in vm_iomap_memory()
2500 return io_remap_pfn_range(vma, vma->vm_start, pfn, vm_len, vma->vm_page_prot); in vm_iomap_memory()
2750 struct vm_area_struct *vma = vmf->vma; in cow_user_page() local
2751 struct mm_struct *mm = vma->vm_mm; in cow_user_page()
2755 copy_user_highpage(dst, src, addr, vma); in cow_user_page()
2782 update_mmu_tlb(vma, addr, vmf->pte); in cow_user_page()
2788 if (ptep_set_access_flags(vma, addr, vmf->pte, entry, 0)) in cow_user_page()
2789 update_mmu_cache(vma, addr, vmf->pte); in cow_user_page()
2807 update_mmu_tlb(vma, addr, vmf->pte); in cow_user_page()
2838 static gfp_t __get_fault_gfp_mask(struct vm_area_struct *vma) in __get_fault_gfp_mask() argument
2840 struct file *vm_file = vma->vm_file; in __get_fault_gfp_mask()
2866 if (vmf->vma->vm_file && in do_page_mkwrite()
2867 IS_SWAPFILE(vmf->vma->vm_file->f_mapping->host)) in do_page_mkwrite()
2870 ret = vmf->vma->vm_ops->page_mkwrite(vmf); in do_page_mkwrite()
2894 struct vm_area_struct *vma = vmf->vma; in fault_dirty_shared_page() local
2898 bool page_mkwrite = vma->vm_ops && vma->vm_ops->page_mkwrite; in fault_dirty_shared_page()
2912 file_update_time(vma->vm_file); in fault_dirty_shared_page()
2948 struct vm_area_struct *vma = vmf->vma; in wp_page_reuse() local
2959 flush_cache_page(vma, vmf->address, pte_pfn(vmf->orig_pte)); in wp_page_reuse()
2961 entry = maybe_mkwrite(pte_mkdirty(entry), vma); in wp_page_reuse()
2962 if (ptep_set_access_flags(vma, vmf->address, vmf->pte, entry, 1)) in wp_page_reuse()
2963 update_mmu_cache(vma, vmf->address, vmf->pte); in wp_page_reuse()
2986 struct vm_area_struct *vma = vmf->vma; in wp_page_copy() local
2987 struct mm_struct *mm = vma->vm_mm; in wp_page_copy()
2994 if (unlikely(anon_vma_prepare(vma))) in wp_page_copy()
2998 new_page = alloc_zeroed_user_highpage_movable(vma, in wp_page_copy()
3003 new_page = alloc_page_vma(GFP_HIGHUSER_MOVABLE, vma, in wp_page_copy()
3028 mmu_notifier_range_init(&range, MMU_NOTIFY_CLEAR, 0, vma, mm, in wp_page_copy()
3047 flush_cache_page(vma, vmf->address, pte_pfn(vmf->orig_pte)); in wp_page_copy()
3048 entry = mk_pte(new_page, vma->vm_page_prot); in wp_page_copy()
3050 entry = maybe_mkwrite(pte_mkdirty(entry), vma); in wp_page_copy()
3059 ptep_clear_flush_notify(vma, vmf->address, vmf->pte); in wp_page_copy()
3060 page_add_new_anon_rmap(new_page, vma, vmf->address, false); in wp_page_copy()
3061 lru_cache_add_inactive_or_unevictable(new_page, vma); in wp_page_copy()
3068 update_mmu_cache(vma, vmf->address, vmf->pte); in wp_page_copy()
3099 update_mmu_tlb(vma, vmf->address, vmf->pte); in wp_page_copy()
3116 if (page_copied && (vma->vm_flags & VM_LOCKED)) { in wp_page_copy()
3153 WARN_ON_ONCE(!(vmf->vma->vm_flags & VM_SHARED)); in finish_mkwrite_fault()
3154 vmf->pte = pte_offset_map_lock(vmf->vma->vm_mm, vmf->pmd, vmf->address, in finish_mkwrite_fault()
3161 update_mmu_tlb(vmf->vma, vmf->address, vmf->pte); in finish_mkwrite_fault()
3175 struct vm_area_struct *vma = vmf->vma; in wp_pfn_shared() local
3177 if (vma->vm_ops && vma->vm_ops->pfn_mkwrite) { in wp_pfn_shared()
3182 ret = vma->vm_ops->pfn_mkwrite(vmf); in wp_pfn_shared()
3194 struct vm_area_struct *vma = vmf->vma; in wp_page_shared() local
3199 if (vma->vm_ops && vma->vm_ops->page_mkwrite) { in wp_page_shared()
3246 struct vm_area_struct *vma = vmf->vma; in do_wp_page() local
3248 if (userfaultfd_pte_wp(vma, *vmf->pte)) { in do_wp_page()
3257 if (unlikely(userfaultfd_wp(vmf->vma) && in do_wp_page()
3258 mm_tlb_flush_pending(vmf->vma->vm_mm))) in do_wp_page()
3259 flush_tlb_page(vmf->vma, vmf->address); in do_wp_page()
3261 vmf->page = vm_normal_page(vma, vmf->address, vmf->orig_pte); in do_wp_page()
3270 if ((vma->vm_flags & (VM_WRITE|VM_SHARED)) == in do_wp_page()
3302 } else if (unlikely((vma->vm_flags & (VM_WRITE|VM_SHARED)) == in do_wp_page()
3316 static void unmap_mapping_range_vma(struct vm_area_struct *vma, in unmap_mapping_range_vma() argument
3320 zap_page_range_single(vma, start_addr, end_addr - start_addr, details); in unmap_mapping_range_vma()
3326 struct vm_area_struct *vma; in unmap_mapping_range_tree() local
3329 vma_interval_tree_foreach(vma, root, in unmap_mapping_range_tree()
3332 vba = vma->vm_pgoff; in unmap_mapping_range_tree()
3333 vea = vba + vma_pages(vma) - 1; in unmap_mapping_range_tree()
3341 unmap_mapping_range_vma(vma, in unmap_mapping_range_tree()
3342 ((zba - vba) << PAGE_SHIFT) + vma->vm_start, in unmap_mapping_range_tree()
3343 ((zea - vba + 1) << PAGE_SHIFT) + vma->vm_start, in unmap_mapping_range_tree()
3449 struct vm_area_struct *vma = vmf->vma; in remove_device_exclusive_entry() local
3452 if (!lock_page_or_retry(page, vma->vm_mm, vmf->flags)) in remove_device_exclusive_entry()
3454 mmu_notifier_range_init_owner(&range, MMU_NOTIFY_EXCLUSIVE, 0, vma, in remove_device_exclusive_entry()
3455 vma->vm_mm, vmf->address & PAGE_MASK, in remove_device_exclusive_entry()
3459 vmf->pte = pte_offset_map_lock(vma->vm_mm, vmf->pmd, vmf->address, in remove_device_exclusive_entry()
3462 restore_exclusive_pte(vma, page, vmf->address, vmf->pte); in remove_device_exclusive_entry()
3481 struct vm_area_struct *vma = vmf->vma; in do_swap_page() local
3491 if (!pte_unmap_same(vma->vm_mm, vmf->pmd, vmf->pte, vmf->orig_pte)) in do_swap_page()
3497 migration_entry_wait(vma->vm_mm, vmf->pmd, in do_swap_page()
3508 print_bad_pte(vma, vmf->address, vmf->orig_pte, NULL); in do_swap_page()
3520 page = lookup_swap_cache(entry, vma, vmf->address); in do_swap_page()
3527 page = alloc_page_vma(GFP_HIGHUSER_MOVABLE, vma, in do_swap_page()
3534 vma->vm_mm, GFP_KERNEL, entry)) { in do_swap_page()
3562 vmf->pte = pte_offset_map_lock(vma->vm_mm, vmf->pmd, in do_swap_page()
3573 count_memcg_event_mm(vma->vm_mm, PGMAJFAULT); in do_swap_page()
3584 locked = lock_page_or_retry(page, vma->vm_mm, vmf->flags); in do_swap_page()
3602 page = ksm_might_need_to_copy(page, vma, vmf->address); in do_swap_page()
3614 vmf->pte = pte_offset_map_lock(vma->vm_mm, vmf->pmd, vmf->address, in do_swap_page()
3634 inc_mm_counter_fast(vma->vm_mm, MM_ANONPAGES); in do_swap_page()
3635 dec_mm_counter_fast(vma->vm_mm, MM_SWAPENTS); in do_swap_page()
3636 pte = mk_pte(page, vma->vm_page_prot); in do_swap_page()
3638 pte = maybe_mkwrite(pte_mkdirty(pte), vma); in do_swap_page()
3643 flush_icache_page(vma, page); in do_swap_page()
3650 set_pte_at(vma->vm_mm, vmf->address, vmf->pte, pte); in do_swap_page()
3651 arch_do_swap_page(vma->vm_mm, vma, vmf->address, pte, vmf->orig_pte); in do_swap_page()
3656 page_add_new_anon_rmap(page, vma, vmf->address, false); in do_swap_page()
3657 lru_cache_add_inactive_or_unevictable(page, vma); in do_swap_page()
3659 do_page_add_anon_rmap(page, vma, vmf->address, exclusive); in do_swap_page()
3664 (vma->vm_flags & VM_LOCKED) || PageMlocked(page)) in do_swap_page()
3688 update_mmu_cache(vma, vmf->address, vmf->pte); in do_swap_page()
3717 struct vm_area_struct *vma = vmf->vma; in do_anonymous_page() local
3723 if (vma->vm_flags & VM_SHARED) in do_anonymous_page()
3736 if (pte_alloc(vma->vm_mm, vmf->pmd)) in do_anonymous_page()
3745 !mm_forbids_zeropage(vma->vm_mm)) { in do_anonymous_page()
3747 vma->vm_page_prot)); in do_anonymous_page()
3748 vmf->pte = pte_offset_map_lock(vma->vm_mm, vmf->pmd, in do_anonymous_page()
3751 update_mmu_tlb(vma, vmf->address, vmf->pte); in do_anonymous_page()
3754 ret = check_stable_address_space(vma->vm_mm); in do_anonymous_page()
3758 if (userfaultfd_missing(vma)) { in do_anonymous_page()
3766 if (unlikely(anon_vma_prepare(vma))) in do_anonymous_page()
3768 page = alloc_zeroed_user_highpage_movable(vma, vmf->address); in do_anonymous_page()
3772 if (mem_cgroup_charge(page, vma->vm_mm, GFP_KERNEL)) in do_anonymous_page()
3783 entry = mk_pte(page, vma->vm_page_prot); in do_anonymous_page()
3785 if (vma->vm_flags & VM_WRITE) in do_anonymous_page()
3788 vmf->pte = pte_offset_map_lock(vma->vm_mm, vmf->pmd, vmf->address, in do_anonymous_page()
3791 update_mmu_cache(vma, vmf->address, vmf->pte); in do_anonymous_page()
3795 ret = check_stable_address_space(vma->vm_mm); in do_anonymous_page()
3800 if (userfaultfd_missing(vma)) { in do_anonymous_page()
3806 inc_mm_counter_fast(vma->vm_mm, MM_ANONPAGES); in do_anonymous_page()
3807 page_add_new_anon_rmap(page, vma, vmf->address, false); in do_anonymous_page()
3808 lru_cache_add_inactive_or_unevictable(page, vma); in do_anonymous_page()
3810 set_pte_at(vma->vm_mm, vmf->address, vmf->pte, entry); in do_anonymous_page()
3813 update_mmu_cache(vma, vmf->address, vmf->pte); in do_anonymous_page()
3833 struct vm_area_struct *vma = vmf->vma; in __do_fault() local
3852 vmf->prealloc_pte = pte_alloc_one(vma->vm_mm); in __do_fault()
3858 ret = vma->vm_ops->fault(vmf); in __do_fault()
3882 struct vm_area_struct *vma = vmf->vma; in deposit_prealloc_pte() local
3884 pgtable_trans_huge_deposit(vma->vm_mm, vmf->pmd, vmf->prealloc_pte); in deposit_prealloc_pte()
3889 mm_inc_nr_ptes(vma->vm_mm); in deposit_prealloc_pte()
3895 struct vm_area_struct *vma = vmf->vma; in do_set_pmd() local
3902 if (!transhuge_vma_suitable(vma, haddr)) in do_set_pmd()
3923 vmf->prealloc_pte = pte_alloc_one(vma->vm_mm); in do_set_pmd()
3929 vmf->ptl = pmd_lock(vma->vm_mm, vmf->pmd); in do_set_pmd()
3934 flush_icache_page(vma, page + i); in do_set_pmd()
3936 entry = mk_huge_pmd(page, vma->vm_page_prot); in do_set_pmd()
3938 entry = maybe_pmd_mkwrite(pmd_mkdirty(entry), vma); in do_set_pmd()
3940 add_mm_counter(vma->vm_mm, mm_counter_file(page), HPAGE_PMD_NR); in do_set_pmd()
3948 set_pmd_at(vma->vm_mm, haddr, vmf->pmd, entry); in do_set_pmd()
3950 update_mmu_cache_pmd(vma, haddr, vmf->pmd); in do_set_pmd()
3968 struct vm_area_struct *vma = vmf->vma; in do_set_pte() local
3973 flush_icache_page(vma, page); in do_set_pte()
3974 entry = mk_pte(page, vma->vm_page_prot); in do_set_pte()
3982 entry = maybe_mkwrite(pte_mkdirty(entry), vma); in do_set_pte()
3984 if (write && !(vma->vm_flags & VM_SHARED)) { in do_set_pte()
3985 inc_mm_counter_fast(vma->vm_mm, MM_ANONPAGES); in do_set_pte()
3986 page_add_new_anon_rmap(page, vma, addr, false); in do_set_pte()
3987 lru_cache_add_inactive_or_unevictable(page, vma); in do_set_pte()
3989 inc_mm_counter_fast(vma->vm_mm, mm_counter_file(page)); in do_set_pte()
3992 set_pte_at(vma->vm_mm, addr, vmf->pte, entry); in do_set_pte()
4012 struct vm_area_struct *vma = vmf->vma; in finish_fault() local
4017 if ((vmf->flags & FAULT_FLAG_WRITE) && !(vma->vm_flags & VM_SHARED)) in finish_fault()
4026 if (!(vma->vm_flags & VM_SHARED)) { in finish_fault()
4027 ret = check_stable_address_space(vma->vm_mm); in finish_fault()
4040 vmf->ptl = pmd_lock(vma->vm_mm, vmf->pmd); in finish_fault()
4042 mm_inc_nr_ptes(vma->vm_mm); in finish_fault()
4043 pmd_populate(vma->vm_mm, vmf->pmd, vmf->prealloc_pte); in finish_fault()
4047 } else if (unlikely(pte_alloc(vma->vm_mm, vmf->pmd))) { in finish_fault()
4056 vmf->pte = pte_offset_map_lock(vma->vm_mm, vmf->pmd, in finish_fault()
4065 update_mmu_tlb(vma, vmf->address, vmf->pte); in finish_fault()
4140 address = max(address & mask, vmf->vma->vm_start); in do_fault_around()
4151 end_pgoff = min3(end_pgoff, vma_pages(vmf->vma) + vmf->vma->vm_pgoff - 1, in do_fault_around()
4155 vmf->prealloc_pte = pte_alloc_one(vmf->vma->vm_mm); in do_fault_around()
4161 return vmf->vma->vm_ops->map_pages(vmf, start_pgoff, end_pgoff); in do_fault_around()
4166 struct vm_area_struct *vma = vmf->vma; in do_read_fault() local
4174 if (vma->vm_ops->map_pages && fault_around_bytes >> PAGE_SHIFT > 1) { in do_read_fault()
4175 if (likely(!userfaultfd_minor(vmf->vma))) { in do_read_fault()
4195 struct vm_area_struct *vma = vmf->vma; in do_cow_fault() local
4198 if (unlikely(anon_vma_prepare(vma))) in do_cow_fault()
4201 vmf->cow_page = alloc_page_vma(GFP_HIGHUSER_MOVABLE, vma, vmf->address); in do_cow_fault()
4205 if (mem_cgroup_charge(vmf->cow_page, vma->vm_mm, GFP_KERNEL)) { in do_cow_fault()
4217 copy_user_highpage(vmf->cow_page, vmf->page, vmf->address, vma); in do_cow_fault()
4233 struct vm_area_struct *vma = vmf->vma; in do_shared_fault() local
4244 if (vma->vm_ops->page_mkwrite) { in do_shared_fault()
4276 struct vm_area_struct *vma = vmf->vma; in do_fault() local
4277 struct mm_struct *vm_mm = vma->vm_mm; in do_fault()
4283 if (!vma->vm_ops->fault) { in do_fault()
4291 vmf->pte = pte_offset_map_lock(vmf->vma->vm_mm, in do_fault()
4311 else if (!(vma->vm_flags & VM_SHARED)) in do_fault()
4324 int numa_migrate_prep(struct page *page, struct vm_area_struct *vma, in numa_migrate_prep() argument
4335 return mpol_misplaced(page, vma, addr); in numa_migrate_prep()
4340 struct vm_area_struct *vma = vmf->vma; in do_numa_page() local
4354 vmf->ptl = pte_lockptr(vma->vm_mm, vmf->pmd); in do_numa_page()
4363 pte = pte_modify(old_pte, vma->vm_page_prot); in do_numa_page()
4365 page = vm_normal_page(vma, vmf->address, pte); in do_numa_page()
4388 if (page_mapcount(page) > 1 && (vma->vm_flags & VM_SHARED)) in do_numa_page()
4393 target_nid = numa_migrate_prep(page, vma, vmf->address, page_nid, in do_numa_page()
4402 if (migrate_misplaced_page(page, vma, target_nid)) { in do_numa_page()
4425 old_pte = ptep_modify_prot_start(vma, vmf->address, vmf->pte); in do_numa_page()
4426 pte = pte_modify(old_pte, vma->vm_page_prot); in do_numa_page()
4430 ptep_modify_prot_commit(vma, vmf->address, vmf->pte, old_pte, pte); in do_numa_page()
4431 update_mmu_cache(vma, vmf->address, vmf->pte); in do_numa_page()
4438 if (vma_is_anonymous(vmf->vma)) in create_huge_pmd()
4440 if (vmf->vma->vm_ops->huge_fault) in create_huge_pmd()
4441 return vmf->vma->vm_ops->huge_fault(vmf, PE_SIZE_PMD); in create_huge_pmd()
4448 if (vma_is_anonymous(vmf->vma)) { in wp_huge_pmd()
4449 if (userfaultfd_huge_pmd_wp(vmf->vma, vmf->orig_pmd)) in wp_huge_pmd()
4453 if (vmf->vma->vm_ops->huge_fault) { in wp_huge_pmd()
4454 vm_fault_t ret = vmf->vma->vm_ops->huge_fault(vmf, PE_SIZE_PMD); in wp_huge_pmd()
4461 __split_huge_pmd(vmf->vma, vmf->pmd, vmf->address, false, NULL); in wp_huge_pmd()
4471 if (vma_is_anonymous(vmf->vma)) in create_huge_pud()
4473 if (vmf->vma->vm_ops->huge_fault) { in create_huge_pud()
4474 vm_fault_t ret = vmf->vma->vm_ops->huge_fault(vmf, PE_SIZE_PUD); in create_huge_pud()
4481 __split_huge_pud(vmf->vma, vmf->pud, vmf->address); in create_huge_pud()
4490 if (vma_is_anonymous(vmf->vma)) in wp_huge_pud()
4492 if (vmf->vma->vm_ops->huge_fault) in wp_huge_pud()
4493 return vmf->vma->vm_ops->huge_fault(vmf, PE_SIZE_PUD); in wp_huge_pud()
4565 if (vma_is_anonymous(vmf->vma)) in handle_pte_fault()
4574 if (pte_protnone(vmf->orig_pte) && vma_is_accessible(vmf->vma)) in handle_pte_fault()
4577 vmf->ptl = pte_lockptr(vmf->vma->vm_mm, vmf->pmd); in handle_pte_fault()
4581 update_mmu_tlb(vmf->vma, vmf->address, vmf->pte); in handle_pte_fault()
4590 if (ptep_set_access_flags(vmf->vma, vmf->address, vmf->pte, entry, in handle_pte_fault()
4592 update_mmu_cache(vmf->vma, vmf->address, vmf->pte); in handle_pte_fault()
4604 flush_tlb_fix_spurious_fault(vmf->vma, vmf->address); in handle_pte_fault()
4617 static vm_fault_t __handle_mm_fault(struct vm_area_struct *vma, in __handle_mm_fault() argument
4621 .vma = vma, in __handle_mm_fault()
4624 .pgoff = linear_page_index(vma, address), in __handle_mm_fault()
4625 .gfp_mask = __get_fault_gfp_mask(vma), in __handle_mm_fault()
4628 struct mm_struct *mm = vma->vm_mm; in __handle_mm_fault()
4642 if (pud_none(*vmf.pud) && __transparent_hugepage_enabled(vma)) { in __handle_mm_fault()
4673 if (pmd_none(*vmf.pmd) && __transparent_hugepage_enabled(vma)) { in __handle_mm_fault()
4689 if (pmd_protnone(vmf.orig_pmd) && vma_is_accessible(vma)) in __handle_mm_fault()
4773 vm_fault_t handle_mm_fault(struct vm_area_struct *vma, unsigned long address, in handle_mm_fault() argument
4781 count_memcg_event_mm(vma->vm_mm, PGFAULT); in handle_mm_fault()
4786 if (!arch_vma_access_permitted(vma, flags & FAULT_FLAG_WRITE, in handle_mm_fault()
4798 if (unlikely(is_vm_hugetlb_page(vma))) in handle_mm_fault()
4799 ret = hugetlb_fault(vma->vm_mm, vma, address, flags); in handle_mm_fault()
4801 ret = __handle_mm_fault(vma, address, flags); in handle_mm_fault()
5001 int follow_pfn(struct vm_area_struct *vma, unsigned long address, in follow_pfn() argument
5008 if (!(vma->vm_flags & (VM_IO | VM_PFNMAP))) in follow_pfn()
5011 ret = follow_pte(vma->vm_mm, address, &ptep, &ptl); in follow_pfn()
5021 int follow_phys(struct vm_area_struct *vma, in follow_phys() argument
5029 if (!(vma->vm_flags & (VM_IO | VM_PFNMAP))) in follow_phys()
5032 if (follow_pte(vma->vm_mm, address, &ptep, &ptl)) in follow_phys()
5061 int generic_access_phys(struct vm_area_struct *vma, unsigned long addr, in generic_access_phys() argument
5072 if (!(vma->vm_flags & (VM_IO | VM_PFNMAP))) in generic_access_phys()
5076 if (follow_pte(vma->vm_mm, addr, &ptep, &ptl)) in generic_access_phys()
5091 if (follow_pte(vma->vm_mm, addr, &ptep, &ptl)) in generic_access_phys()
5121 struct vm_area_struct *vma; in __access_remote_vm() local
5135 gup_flags, &page, &vma, NULL); in __access_remote_vm()
5144 vma = vma_lookup(mm, addr); in __access_remote_vm()
5145 if (!vma) in __access_remote_vm()
5147 if (vma->vm_ops && vma->vm_ops->access) in __access_remote_vm()
5148 ret = vma->vm_ops->access(vma, addr, buf, in __access_remote_vm()
5162 copy_to_user_page(vma, page, addr, in __access_remote_vm()
5166 copy_from_user_page(vma, page, addr, in __access_remote_vm()
5228 struct vm_area_struct *vma; in print_vma_addr() local
5236 vma = find_vma(mm, ip); in print_vma_addr()
5237 if (vma && vma->vm_file) { in print_vma_addr()
5238 struct file *f = vma->vm_file; in print_vma_addr()
5247 vma->vm_start, in print_vma_addr()
5248 vma->vm_end - vma->vm_start); in print_vma_addr()
5367 struct vm_area_struct *vma, in copy_user_gigantic_page() argument
5376 copy_user_highpage(dst, src, addr + i*PAGE_SIZE, vma); in copy_user_gigantic_page()
5387 struct vm_area_struct *vma; member
5395 addr, copy_arg->vma); in copy_subpage()
5399 unsigned long addr_hint, struct vm_area_struct *vma, in copy_user_huge_page() argument
5407 .vma = vma, in copy_user_huge_page()
5411 copy_user_gigantic_page(dst, src, addr, vma, in copy_user_huge_page()