Lines Matching refs:vma
370 void free_pgtables(struct mmu_gather *tlb, struct vm_area_struct *vma, in free_pgtables() argument
373 while (vma) { in free_pgtables()
374 struct vm_area_struct *next = vma->vm_next; in free_pgtables()
375 unsigned long addr = vma->vm_start; in free_pgtables()
381 unlink_anon_vmas(vma); in free_pgtables()
382 unlink_file_vma(vma); in free_pgtables()
384 if (is_vm_hugetlb_page(vma)) { in free_pgtables()
385 hugetlb_free_pgd_range(tlb, addr, vma->vm_end, in free_pgtables()
391 while (next && next->vm_start <= vma->vm_end + PMD_SIZE in free_pgtables()
393 vma = next; in free_pgtables()
394 next = vma->vm_next; in free_pgtables()
395 unlink_anon_vmas(vma); in free_pgtables()
396 unlink_file_vma(vma); in free_pgtables()
398 free_pgd_range(tlb, addr, vma->vm_end, in free_pgtables()
401 vma = next; in free_pgtables()
481 static void print_bad_pte(struct vm_area_struct *vma, unsigned long addr, in print_bad_pte() argument
484 pgd_t *pgd = pgd_offset(vma->vm_mm, addr); in print_bad_pte()
513 mapping = vma->vm_file ? vma->vm_file->f_mapping : NULL; in print_bad_pte()
514 index = linear_page_index(vma, addr); in print_bad_pte()
522 (void *)addr, vma->vm_flags, vma->anon_vma, mapping, index); in print_bad_pte()
524 vma->vm_file, in print_bad_pte()
525 vma->vm_ops ? vma->vm_ops->fault : NULL, in print_bad_pte()
526 vma->vm_file ? vma->vm_file->f_op->mmap : NULL, in print_bad_pte()
574 struct page *vm_normal_page(struct vm_area_struct *vma, unsigned long addr, in vm_normal_page() argument
582 if (vma->vm_ops && vma->vm_ops->find_special_page) in vm_normal_page()
583 return vma->vm_ops->find_special_page(vma, addr); in vm_normal_page()
584 if (vma->vm_flags & (VM_PFNMAP | VM_MIXEDMAP)) in vm_normal_page()
591 print_bad_pte(vma, addr, pte, NULL); in vm_normal_page()
597 if (unlikely(vma->vm_flags & (VM_PFNMAP|VM_MIXEDMAP))) { in vm_normal_page()
598 if (vma->vm_flags & VM_MIXEDMAP) { in vm_normal_page()
604 off = (addr - vma->vm_start) >> PAGE_SHIFT; in vm_normal_page()
605 if (pfn == vma->vm_pgoff + off) in vm_normal_page()
607 if (!is_cow_mapping(vma->vm_flags)) in vm_normal_page()
617 print_bad_pte(vma, addr, pte, NULL); in vm_normal_page()
630 struct page *vm_normal_page_pmd(struct vm_area_struct *vma, unsigned long addr, in vm_normal_page_pmd() argument
640 if (unlikely(vma->vm_flags & (VM_PFNMAP|VM_MIXEDMAP))) { in vm_normal_page_pmd()
641 if (vma->vm_flags & VM_MIXEDMAP) { in vm_normal_page_pmd()
647 off = (addr - vma->vm_start) >> PAGE_SHIFT; in vm_normal_page_pmd()
648 if (pfn == vma->vm_pgoff + off) in vm_normal_page_pmd()
650 if (!is_cow_mapping(vma->vm_flags)) in vm_normal_page_pmd()
679 pte_t *dst_pte, pte_t *src_pte, struct vm_area_struct *vma, in copy_one_pte() argument
682 unsigned long vm_flags = vma->vm_flags; in copy_one_pte()
770 page = vm_normal_page(vma, addr, pte); in copy_one_pte()
785 pmd_t *dst_pmd, pmd_t *src_pmd, struct vm_area_struct *vma, in copy_pte_range() argument
824 vma, addr, rss); in copy_pte_range()
848 pud_t *dst_pud, pud_t *src_pud, struct vm_area_struct *vma, in copy_pmd_range() argument
863 VM_BUG_ON_VMA(next-addr != HPAGE_PMD_SIZE, vma); in copy_pmd_range()
865 dst_pmd, src_pmd, addr, vma); in copy_pmd_range()
875 vma, addr, next)) in copy_pmd_range()
882 p4d_t *dst_p4d, p4d_t *src_p4d, struct vm_area_struct *vma, in copy_pud_range() argument
897 VM_BUG_ON_VMA(next-addr != HPAGE_PUD_SIZE, vma); in copy_pud_range()
899 dst_pud, src_pud, addr, vma); in copy_pud_range()
909 vma, addr, next)) in copy_pud_range()
916 pgd_t *dst_pgd, pgd_t *src_pgd, struct vm_area_struct *vma, in copy_p4d_range() argument
931 vma, addr, next)) in copy_p4d_range()
938 struct vm_area_struct *vma) in copy_page_range() argument
942 unsigned long addr = vma->vm_start; in copy_page_range()
943 unsigned long end = vma->vm_end; in copy_page_range()
954 if (!(vma->vm_flags & (VM_HUGETLB | VM_PFNMAP | VM_MIXEDMAP)) && in copy_page_range()
955 !vma->anon_vma) in copy_page_range()
958 if (is_vm_hugetlb_page(vma)) in copy_page_range()
959 return copy_hugetlb_page_range(dst_mm, src_mm, vma); in copy_page_range()
961 if (unlikely(vma->vm_flags & VM_PFNMAP)) { in copy_page_range()
966 ret = track_pfn_copy(vma); in copy_page_range()
977 is_cow = is_cow_mapping(vma->vm_flags); in copy_page_range()
981 0, vma, src_mm, addr, end); in copy_page_range()
993 vma, addr, next))) { in copy_page_range()
1005 struct vm_area_struct *vma, pmd_t *pmd, in zap_pte_range() argument
1035 page = vm_normal_page(vma, addr, ptent); in zap_pte_range()
1058 likely(!(vma->vm_flags & VM_SEQ_READ))) in zap_pte_range()
1064 print_bad_pte(vma, addr, ptent, page); in zap_pte_range()
1108 print_bad_pte(vma, addr, ptent, NULL); in zap_pte_range()
1140 struct vm_area_struct *vma, pud_t *pud, in zap_pmd_range() argument
1152 __split_huge_pmd(vma, pmd, addr, false, NULL); in zap_pmd_range()
1153 else if (zap_huge_pmd(tlb, vma, pmd, addr)) in zap_pmd_range()
1166 next = zap_pte_range(tlb, vma, pmd, addr, next, details); in zap_pmd_range()
1175 struct vm_area_struct *vma, p4d_t *p4d, in zap_pud_range() argument
1187 VM_BUG_ON_VMA(!rwsem_is_locked(&tlb->mm->mmap_sem), vma); in zap_pud_range()
1188 split_huge_pud(vma, pud, addr); in zap_pud_range()
1189 } else if (zap_huge_pud(tlb, vma, pud, addr)) in zap_pud_range()
1195 next = zap_pmd_range(tlb, vma, pud, addr, next, details); in zap_pud_range()
1204 struct vm_area_struct *vma, pgd_t *pgd, in zap_p4d_range() argument
1216 next = zap_pud_range(tlb, vma, p4d, addr, next, details); in zap_p4d_range()
1223 struct vm_area_struct *vma, in unmap_page_range() argument
1231 tlb_start_vma(tlb, vma); in unmap_page_range()
1232 pgd = pgd_offset(vma->vm_mm, addr); in unmap_page_range()
1237 next = zap_p4d_range(tlb, vma, pgd, addr, next, details); in unmap_page_range()
1239 tlb_end_vma(tlb, vma); in unmap_page_range()
1244 struct vm_area_struct *vma, unsigned long start_addr, in unmap_single_vma() argument
1248 unsigned long start = max(vma->vm_start, start_addr); in unmap_single_vma()
1251 if (start >= vma->vm_end) in unmap_single_vma()
1253 end = min(vma->vm_end, end_addr); in unmap_single_vma()
1254 if (end <= vma->vm_start) in unmap_single_vma()
1257 if (vma->vm_file) in unmap_single_vma()
1258 uprobe_munmap(vma, start, end); in unmap_single_vma()
1260 if (unlikely(vma->vm_flags & VM_PFNMAP)) in unmap_single_vma()
1261 untrack_pfn(vma, 0, 0); in unmap_single_vma()
1264 if (unlikely(is_vm_hugetlb_page(vma))) { in unmap_single_vma()
1276 if (vma->vm_file) { in unmap_single_vma()
1277 i_mmap_lock_write(vma->vm_file->f_mapping); in unmap_single_vma()
1278 __unmap_hugepage_range_final(tlb, vma, start, end, NULL); in unmap_single_vma()
1279 i_mmap_unlock_write(vma->vm_file->f_mapping); in unmap_single_vma()
1282 unmap_page_range(tlb, vma, start, end, details); in unmap_single_vma()
1305 struct vm_area_struct *vma, unsigned long start_addr, in unmap_vmas() argument
1310 mmu_notifier_range_init(&range, MMU_NOTIFY_UNMAP, 0, vma, vma->vm_mm, in unmap_vmas()
1313 for ( ; vma && vma->vm_start < end_addr; vma = vma->vm_next) in unmap_vmas()
1314 unmap_single_vma(tlb, vma, start_addr, end_addr, NULL); in unmap_vmas()
1326 void zap_page_range(struct vm_area_struct *vma, unsigned long start, in zap_page_range() argument
1333 mmu_notifier_range_init(&range, MMU_NOTIFY_CLEAR, 0, vma, vma->vm_mm, in zap_page_range()
1335 tlb_gather_mmu(&tlb, vma->vm_mm, start, range.end); in zap_page_range()
1336 update_hiwater_rss(vma->vm_mm); in zap_page_range()
1338 for ( ; vma && vma->vm_start < range.end; vma = vma->vm_next) in zap_page_range()
1339 unmap_single_vma(&tlb, vma, start, range.end, NULL); in zap_page_range()
1353 static void zap_page_range_single(struct vm_area_struct *vma, unsigned long address, in zap_page_range_single() argument
1360 mmu_notifier_range_init(&range, MMU_NOTIFY_CLEAR, 0, vma, vma->vm_mm, in zap_page_range_single()
1362 tlb_gather_mmu(&tlb, vma->vm_mm, address, range.end); in zap_page_range_single()
1363 update_hiwater_rss(vma->vm_mm); in zap_page_range_single()
1365 unmap_single_vma(&tlb, vma, address, range.end, details); in zap_page_range_single()
1381 void zap_vma_ptes(struct vm_area_struct *vma, unsigned long address, in zap_vma_ptes() argument
1384 if (address < vma->vm_start || address + size > vma->vm_end || in zap_vma_ptes()
1385 !(vma->vm_flags & VM_PFNMAP)) in zap_vma_ptes()
1388 zap_page_range_single(vma, address, size, NULL); in zap_vma_ptes()
1422 static int insert_page(struct vm_area_struct *vma, unsigned long addr, in insert_page() argument
1425 struct mm_struct *mm = vma->vm_mm; in insert_page()
1484 int vm_insert_page(struct vm_area_struct *vma, unsigned long addr, in vm_insert_page() argument
1487 if (addr < vma->vm_start || addr >= vma->vm_end) in vm_insert_page()
1491 if (!(vma->vm_flags & VM_MIXEDMAP)) { in vm_insert_page()
1492 BUG_ON(down_read_trylock(&vma->vm_mm->mmap_sem)); in vm_insert_page()
1493 BUG_ON(vma->vm_flags & VM_PFNMAP); in vm_insert_page()
1494 vma->vm_flags |= VM_MIXEDMAP; in vm_insert_page()
1496 return insert_page(vma, addr, page, vma->vm_page_prot); in vm_insert_page()
1511 static int __vm_map_pages(struct vm_area_struct *vma, struct page **pages, in __vm_map_pages() argument
1514 unsigned long count = vma_pages(vma); in __vm_map_pages()
1515 unsigned long uaddr = vma->vm_start; in __vm_map_pages()
1527 ret = vm_insert_page(vma, uaddr, pages[offset + i]); in __vm_map_pages()
1554 int vm_map_pages(struct vm_area_struct *vma, struct page **pages, in vm_map_pages() argument
1557 return __vm_map_pages(vma, pages, num, vma->vm_pgoff); in vm_map_pages()
1574 int vm_map_pages_zero(struct vm_area_struct *vma, struct page **pages, in vm_map_pages_zero() argument
1577 return __vm_map_pages(vma, pages, num, 0); in vm_map_pages_zero()
1581 static vm_fault_t insert_pfn(struct vm_area_struct *vma, unsigned long addr, in insert_pfn() argument
1584 struct mm_struct *mm = vma->vm_mm; in insert_pfn()
1608 entry = maybe_mkwrite(pte_mkdirty(entry), vma); in insert_pfn()
1609 if (ptep_set_access_flags(vma, addr, pte, entry, 1)) in insert_pfn()
1610 update_mmu_cache(vma, addr, pte); in insert_pfn()
1623 entry = maybe_mkwrite(pte_mkdirty(entry), vma); in insert_pfn()
1627 update_mmu_cache(vma, addr, pte); /* XXX: why not for insert_page? */ in insert_pfn()
1652 vm_fault_t vmf_insert_pfn_prot(struct vm_area_struct *vma, unsigned long addr, in vmf_insert_pfn_prot() argument
1661 BUG_ON(!(vma->vm_flags & (VM_PFNMAP|VM_MIXEDMAP))); in vmf_insert_pfn_prot()
1662 BUG_ON((vma->vm_flags & (VM_PFNMAP|VM_MIXEDMAP)) == in vmf_insert_pfn_prot()
1664 BUG_ON((vma->vm_flags & VM_PFNMAP) && is_cow_mapping(vma->vm_flags)); in vmf_insert_pfn_prot()
1665 BUG_ON((vma->vm_flags & VM_MIXEDMAP) && pfn_valid(pfn)); in vmf_insert_pfn_prot()
1667 if (addr < vma->vm_start || addr >= vma->vm_end) in vmf_insert_pfn_prot()
1673 track_pfn_insert(vma, &pgprot, __pfn_to_pfn_t(pfn, PFN_DEV)); in vmf_insert_pfn_prot()
1675 return insert_pfn(vma, addr, __pfn_to_pfn_t(pfn, PFN_DEV), pgprot, in vmf_insert_pfn_prot()
1700 vm_fault_t vmf_insert_pfn(struct vm_area_struct *vma, unsigned long addr, in vmf_insert_pfn() argument
1703 return vmf_insert_pfn_prot(vma, addr, pfn, vma->vm_page_prot); in vmf_insert_pfn()
1707 static bool vm_mixed_ok(struct vm_area_struct *vma, pfn_t pfn) in vm_mixed_ok() argument
1710 if (vma->vm_flags & VM_MIXEDMAP) in vm_mixed_ok()
1721 static vm_fault_t __vm_insert_mixed(struct vm_area_struct *vma, in __vm_insert_mixed() argument
1724 pgprot_t pgprot = vma->vm_page_prot; in __vm_insert_mixed()
1727 BUG_ON(!vm_mixed_ok(vma, pfn)); in __vm_insert_mixed()
1729 if (addr < vma->vm_start || addr >= vma->vm_end) in __vm_insert_mixed()
1732 track_pfn_insert(vma, &pgprot, pfn); in __vm_insert_mixed()
1754 err = insert_page(vma, addr, page, pgprot); in __vm_insert_mixed()
1756 return insert_pfn(vma, addr, pfn, pgprot, mkwrite); in __vm_insert_mixed()
1767 vm_fault_t vmf_insert_mixed(struct vm_area_struct *vma, unsigned long addr, in vmf_insert_mixed() argument
1770 return __vm_insert_mixed(vma, addr, pfn, false); in vmf_insert_mixed()
1779 vm_fault_t vmf_insert_mixed_mkwrite(struct vm_area_struct *vma, in vmf_insert_mixed_mkwrite() argument
1782 return __vm_insert_mixed(vma, addr, pfn, true); in vmf_insert_mixed_mkwrite()
1896 int remap_pfn_range(struct vm_area_struct *vma, unsigned long addr, in remap_pfn_range() argument
1902 struct mm_struct *mm = vma->vm_mm; in remap_pfn_range()
1924 if (is_cow_mapping(vma->vm_flags)) { in remap_pfn_range()
1925 if (addr != vma->vm_start || end != vma->vm_end) in remap_pfn_range()
1927 vma->vm_pgoff = pfn; in remap_pfn_range()
1930 err = track_pfn_remap(vma, &prot, remap_pfn, addr, PAGE_ALIGN(size)); in remap_pfn_range()
1934 vma->vm_flags |= VM_IO | VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP; in remap_pfn_range()
1939 flush_cache_range(vma, addr, end); in remap_pfn_range()
1949 untrack_pfn(vma, remap_pfn, PAGE_ALIGN(size)); in remap_pfn_range()
1970 int vm_iomap_memory(struct vm_area_struct *vma, phys_addr_t start, unsigned long len) in vm_iomap_memory() argument
1989 if (vma->vm_pgoff > pages) in vm_iomap_memory()
1991 pfn += vma->vm_pgoff; in vm_iomap_memory()
1992 pages -= vma->vm_pgoff; in vm_iomap_memory()
1995 vm_len = vma->vm_end - vma->vm_start; in vm_iomap_memory()
2000 return io_remap_pfn_range(vma, vma->vm_start, pfn, vm_len, vma->vm_page_prot); in vm_iomap_memory()
2148 …oid cow_user_page(struct page *dst, struct page *src, unsigned long va, struct vm_area_struct *vma) in cow_user_page() argument
2173 copy_user_highpage(dst, src, va, vma); in cow_user_page()
2176 static gfp_t __get_fault_gfp_mask(struct vm_area_struct *vma) in __get_fault_gfp_mask() argument
2178 struct file *vm_file = vma->vm_file; in __get_fault_gfp_mask()
2204 if (vmf->vma->vm_file && in do_page_mkwrite()
2205 IS_SWAPFILE(vmf->vma->vm_file->f_mapping->host)) in do_page_mkwrite()
2208 ret = vmf->vma->vm_ops->page_mkwrite(vmf); in do_page_mkwrite()
2230 static void fault_dirty_shared_page(struct vm_area_struct *vma, in fault_dirty_shared_page() argument
2235 bool page_mkwrite = vma->vm_ops && vma->vm_ops->page_mkwrite; in fault_dirty_shared_page()
2257 file_update_time(vma->vm_file); in fault_dirty_shared_page()
2271 struct vm_area_struct *vma = vmf->vma; in wp_page_reuse() local
2282 flush_cache_page(vma, vmf->address, pte_pfn(vmf->orig_pte)); in wp_page_reuse()
2284 entry = maybe_mkwrite(pte_mkdirty(entry), vma); in wp_page_reuse()
2285 if (ptep_set_access_flags(vma, vmf->address, vmf->pte, entry, 1)) in wp_page_reuse()
2286 update_mmu_cache(vma, vmf->address, vmf->pte); in wp_page_reuse()
2308 struct vm_area_struct *vma = vmf->vma; in wp_page_copy() local
2309 struct mm_struct *mm = vma->vm_mm; in wp_page_copy()
2317 if (unlikely(anon_vma_prepare(vma))) in wp_page_copy()
2321 new_page = alloc_zeroed_user_highpage_movable(vma, in wp_page_copy()
2326 new_page = alloc_page_vma(GFP_HIGHUSER_MOVABLE, vma, in wp_page_copy()
2330 cow_user_page(new_page, old_page, vmf->address, vma); in wp_page_copy()
2338 mmu_notifier_range_init(&range, MMU_NOTIFY_CLEAR, 0, vma, mm, in wp_page_copy()
2357 flush_cache_page(vma, vmf->address, pte_pfn(vmf->orig_pte)); in wp_page_copy()
2358 entry = mk_pte(new_page, vma->vm_page_prot); in wp_page_copy()
2359 entry = maybe_mkwrite(pte_mkdirty(entry), vma); in wp_page_copy()
2366 ptep_clear_flush_notify(vma, vmf->address, vmf->pte); in wp_page_copy()
2367 page_add_new_anon_rmap(new_page, vma, vmf->address, false); in wp_page_copy()
2369 lru_cache_add_active_or_unevictable(new_page, vma); in wp_page_copy()
2376 update_mmu_cache(vma, vmf->address, vmf->pte); in wp_page_copy()
2424 if (page_copied && (vma->vm_flags & VM_LOCKED)) { in wp_page_copy()
2459 WARN_ON_ONCE(!(vmf->vma->vm_flags & VM_SHARED)); in finish_mkwrite_fault()
2460 vmf->pte = pte_offset_map_lock(vmf->vma->vm_mm, vmf->pmd, vmf->address, in finish_mkwrite_fault()
2480 struct vm_area_struct *vma = vmf->vma; in wp_pfn_shared() local
2482 if (vma->vm_ops && vma->vm_ops->pfn_mkwrite) { in wp_pfn_shared()
2487 ret = vma->vm_ops->pfn_mkwrite(vmf); in wp_pfn_shared()
2499 struct vm_area_struct *vma = vmf->vma; in wp_page_shared() local
2503 if (vma->vm_ops && vma->vm_ops->page_mkwrite) { in wp_page_shared()
2523 fault_dirty_shared_page(vma, vmf->page); in wp_page_shared()
2550 struct vm_area_struct *vma = vmf->vma; in do_wp_page() local
2552 vmf->page = vm_normal_page(vma, vmf->address, vmf->orig_pte); in do_wp_page()
2561 if ((vma->vm_flags & (VM_WRITE|VM_SHARED)) == in do_wp_page()
2582 vmf->pte = pte_offset_map_lock(vma->vm_mm, vmf->pmd, in do_wp_page()
2593 bool reused = reuse_ksm_page(vmf->page, vmf->vma, in do_wp_page()
2610 page_move_anon_rmap(vmf->page, vma); in do_wp_page()
2617 } else if (unlikely((vma->vm_flags & (VM_WRITE|VM_SHARED)) == in do_wp_page()
2631 static void unmap_mapping_range_vma(struct vm_area_struct *vma, in unmap_mapping_range_vma() argument
2635 zap_page_range_single(vma, start_addr, end_addr - start_addr, details); in unmap_mapping_range_vma()
2641 struct vm_area_struct *vma; in unmap_mapping_range_tree() local
2644 vma_interval_tree_foreach(vma, root, in unmap_mapping_range_tree()
2647 vba = vma->vm_pgoff; in unmap_mapping_range_tree()
2648 vea = vba + vma_pages(vma) - 1; in unmap_mapping_range_tree()
2656 unmap_mapping_range_vma(vma, in unmap_mapping_range_tree()
2657 ((zba - vba) << PAGE_SHIFT) + vma->vm_start, in unmap_mapping_range_tree()
2658 ((zea - vba + 1) << PAGE_SHIFT) + vma->vm_start, in unmap_mapping_range_tree()
2737 struct vm_area_struct *vma = vmf->vma; in do_swap_page() local
2746 if (!pte_unmap_same(vma->vm_mm, vmf->pmd, vmf->pte, vmf->orig_pte)) in do_swap_page()
2752 migration_entry_wait(vma->vm_mm, vmf->pmd, in do_swap_page()
2760 print_bad_pte(vma, vmf->address, vmf->orig_pte, NULL); in do_swap_page()
2768 page = lookup_swap_cache(entry, vma, vmf->address); in do_swap_page()
2777 page = alloc_page_vma(GFP_HIGHUSER_MOVABLE, vma, in do_swap_page()
2797 vmf->pte = pte_offset_map_lock(vma->vm_mm, vmf->pmd, in do_swap_page()
2808 count_memcg_event_mm(vma->vm_mm, PGMAJFAULT); in do_swap_page()
2819 locked = lock_page_or_retry(page, vma->vm_mm, vmf->flags); in do_swap_page()
2837 page = ksm_might_need_to_copy(page, vma, vmf->address); in do_swap_page()
2844 if (mem_cgroup_try_charge_delay(page, vma->vm_mm, GFP_KERNEL, in do_swap_page()
2853 vmf->pte = pte_offset_map_lock(vma->vm_mm, vmf->pmd, vmf->address, in do_swap_page()
2873 inc_mm_counter_fast(vma->vm_mm, MM_ANONPAGES); in do_swap_page()
2874 dec_mm_counter_fast(vma->vm_mm, MM_SWAPENTS); in do_swap_page()
2875 pte = mk_pte(page, vma->vm_page_prot); in do_swap_page()
2877 pte = maybe_mkwrite(pte_mkdirty(pte), vma); in do_swap_page()
2882 flush_icache_page(vma, page); in do_swap_page()
2885 set_pte_at(vma->vm_mm, vmf->address, vmf->pte, pte); in do_swap_page()
2886 arch_do_swap_page(vma->vm_mm, vma, vmf->address, pte, vmf->orig_pte); in do_swap_page()
2891 page_add_new_anon_rmap(page, vma, vmf->address, false); in do_swap_page()
2893 lru_cache_add_active_or_unevictable(page, vma); in do_swap_page()
2895 do_page_add_anon_rmap(page, vma, vmf->address, exclusive); in do_swap_page()
2902 (vma->vm_flags & VM_LOCKED) || PageMlocked(page)) in do_swap_page()
2926 update_mmu_cache(vma, vmf->address, vmf->pte); in do_swap_page()
2952 struct vm_area_struct *vma = vmf->vma; in do_anonymous_page() local
2959 if (vma->vm_flags & VM_SHARED) in do_anonymous_page()
2972 if (pte_alloc(vma->vm_mm, vmf->pmd)) in do_anonymous_page()
2981 !mm_forbids_zeropage(vma->vm_mm)) { in do_anonymous_page()
2983 vma->vm_page_prot)); in do_anonymous_page()
2984 vmf->pte = pte_offset_map_lock(vma->vm_mm, vmf->pmd, in do_anonymous_page()
2988 ret = check_stable_address_space(vma->vm_mm); in do_anonymous_page()
2992 if (userfaultfd_missing(vma)) { in do_anonymous_page()
3000 if (unlikely(anon_vma_prepare(vma))) in do_anonymous_page()
3002 page = alloc_zeroed_user_highpage_movable(vma, vmf->address); in do_anonymous_page()
3006 if (mem_cgroup_try_charge_delay(page, vma->vm_mm, GFP_KERNEL, &memcg, in do_anonymous_page()
3017 entry = mk_pte(page, vma->vm_page_prot); in do_anonymous_page()
3018 if (vma->vm_flags & VM_WRITE) in do_anonymous_page()
3021 vmf->pte = pte_offset_map_lock(vma->vm_mm, vmf->pmd, vmf->address, in do_anonymous_page()
3026 ret = check_stable_address_space(vma->vm_mm); in do_anonymous_page()
3031 if (userfaultfd_missing(vma)) { in do_anonymous_page()
3038 inc_mm_counter_fast(vma->vm_mm, MM_ANONPAGES); in do_anonymous_page()
3039 page_add_new_anon_rmap(page, vma, vmf->address, false); in do_anonymous_page()
3041 lru_cache_add_active_or_unevictable(page, vma); in do_anonymous_page()
3043 set_pte_at(vma->vm_mm, vmf->address, vmf->pte, entry); in do_anonymous_page()
3046 update_mmu_cache(vma, vmf->address, vmf->pte); in do_anonymous_page()
3067 struct vm_area_struct *vma = vmf->vma; in __do_fault() local
3086 vmf->prealloc_pte = pte_alloc_one(vmf->vma->vm_mm); in __do_fault()
3092 ret = vma->vm_ops->fault(vmf); in __do_fault()
3126 struct vm_area_struct *vma = vmf->vma; in pte_alloc_one_map() local
3131 vmf->ptl = pmd_lock(vma->vm_mm, vmf->pmd); in pte_alloc_one_map()
3137 mm_inc_nr_ptes(vma->vm_mm); in pte_alloc_one_map()
3138 pmd_populate(vma->vm_mm, vmf->pmd, vmf->prealloc_pte); in pte_alloc_one_map()
3141 } else if (unlikely(pte_alloc(vma->vm_mm, vmf->pmd))) { in pte_alloc_one_map()
3168 vmf->pte = pte_offset_map_lock(vma->vm_mm, vmf->pmd, vmf->address, in pte_alloc_one_map()
3176 struct vm_area_struct *vma = vmf->vma; in deposit_prealloc_pte() local
3178 pgtable_trans_huge_deposit(vma->vm_mm, vmf->pmd, vmf->prealloc_pte); in deposit_prealloc_pte()
3183 mm_inc_nr_ptes(vma->vm_mm); in deposit_prealloc_pte()
3189 struct vm_area_struct *vma = vmf->vma; in do_set_pmd() local
3196 if (!transhuge_vma_suitable(vma, haddr)) in do_set_pmd()
3207 vmf->prealloc_pte = pte_alloc_one(vma->vm_mm); in do_set_pmd()
3213 vmf->ptl = pmd_lock(vma->vm_mm, vmf->pmd); in do_set_pmd()
3218 flush_icache_page(vma, page + i); in do_set_pmd()
3220 entry = mk_huge_pmd(page, vma->vm_page_prot); in do_set_pmd()
3222 entry = maybe_pmd_mkwrite(pmd_mkdirty(entry), vma); in do_set_pmd()
3224 add_mm_counter(vma->vm_mm, mm_counter_file(page), HPAGE_PMD_NR); in do_set_pmd()
3232 set_pmd_at(vma->vm_mm, haddr, vmf->pmd, entry); in do_set_pmd()
3234 update_mmu_cache_pmd(vma, haddr, vmf->pmd); in do_set_pmd()
3270 struct vm_area_struct *vma = vmf->vma; in alloc_set_pte() local
3295 flush_icache_page(vma, page); in alloc_set_pte()
3296 entry = mk_pte(page, vma->vm_page_prot); in alloc_set_pte()
3298 entry = maybe_mkwrite(pte_mkdirty(entry), vma); in alloc_set_pte()
3300 if (write && !(vma->vm_flags & VM_SHARED)) { in alloc_set_pte()
3301 inc_mm_counter_fast(vma->vm_mm, MM_ANONPAGES); in alloc_set_pte()
3302 page_add_new_anon_rmap(page, vma, vmf->address, false); in alloc_set_pte()
3304 lru_cache_add_active_or_unevictable(page, vma); in alloc_set_pte()
3306 inc_mm_counter_fast(vma->vm_mm, mm_counter_file(page)); in alloc_set_pte()
3309 set_pte_at(vma->vm_mm, vmf->address, vmf->pte, entry); in alloc_set_pte()
3312 update_mmu_cache(vma, vmf->address, vmf->pte); in alloc_set_pte()
3340 !(vmf->vma->vm_flags & VM_SHARED)) in finish_fault()
3349 if (!(vmf->vma->vm_flags & VM_SHARED)) in finish_fault()
3350 ret = check_stable_address_space(vmf->vma->vm_mm); in finish_fault()
3429 vmf->address = max(address & mask, vmf->vma->vm_start); in do_fault_around()
3440 end_pgoff = min3(end_pgoff, vma_pages(vmf->vma) + vmf->vma->vm_pgoff - 1, in do_fault_around()
3444 vmf->prealloc_pte = pte_alloc_one(vmf->vma->vm_mm); in do_fault_around()
3450 vmf->vma->vm_ops->map_pages(vmf, start_pgoff, end_pgoff); in do_fault_around()
3475 struct vm_area_struct *vma = vmf->vma; in do_read_fault() local
3483 if (vma->vm_ops->map_pages && fault_around_bytes >> PAGE_SHIFT > 1) { in do_read_fault()
3502 struct vm_area_struct *vma = vmf->vma; in do_cow_fault() local
3505 if (unlikely(anon_vma_prepare(vma))) in do_cow_fault()
3508 vmf->cow_page = alloc_page_vma(GFP_HIGHUSER_MOVABLE, vma, vmf->address); in do_cow_fault()
3512 if (mem_cgroup_try_charge_delay(vmf->cow_page, vma->vm_mm, GFP_KERNEL, in do_cow_fault()
3524 copy_user_highpage(vmf->cow_page, vmf->page, vmf->address, vma); in do_cow_fault()
3541 struct vm_area_struct *vma = vmf->vma; in do_shared_fault() local
3552 if (vma->vm_ops->page_mkwrite) { in do_shared_fault()
3570 fault_dirty_shared_page(vma, vmf->page); in do_shared_fault()
3584 struct vm_area_struct *vma = vmf->vma; in do_fault() local
3585 struct mm_struct *vm_mm = vma->vm_mm; in do_fault()
3591 if (!vma->vm_ops->fault) { in do_fault()
3599 vmf->pte = pte_offset_map_lock(vmf->vma->vm_mm, in do_fault()
3619 else if (!(vma->vm_flags & VM_SHARED)) in do_fault()
3632 static int numa_migrate_prep(struct page *page, struct vm_area_struct *vma, in numa_migrate_prep() argument
3644 return mpol_misplaced(page, vma, addr); in numa_migrate_prep()
3649 struct vm_area_struct *vma = vmf->vma; in do_numa_page() local
3664 vmf->ptl = pte_lockptr(vma->vm_mm, vmf->pmd); in do_numa_page()
3675 old_pte = ptep_modify_prot_start(vma, vmf->address, vmf->pte); in do_numa_page()
3676 pte = pte_modify(old_pte, vma->vm_page_prot); in do_numa_page()
3680 ptep_modify_prot_commit(vma, vmf->address, vmf->pte, old_pte, pte); in do_numa_page()
3681 update_mmu_cache(vma, vmf->address, vmf->pte); in do_numa_page()
3683 page = vm_normal_page(vma, vmf->address, pte); in do_numa_page()
3710 if (page_mapcount(page) > 1 && (vma->vm_flags & VM_SHARED)) in do_numa_page()
3715 target_nid = numa_migrate_prep(page, vma, vmf->address, page_nid, in do_numa_page()
3724 migrated = migrate_misplaced_page(page, vma, target_nid); in do_numa_page()
3739 if (vma_is_anonymous(vmf->vma)) in create_huge_pmd()
3741 if (vmf->vma->vm_ops->huge_fault) in create_huge_pmd()
3742 return vmf->vma->vm_ops->huge_fault(vmf, PE_SIZE_PMD); in create_huge_pmd()
3749 if (vma_is_anonymous(vmf->vma)) in wp_huge_pmd()
3751 if (vmf->vma->vm_ops->huge_fault) in wp_huge_pmd()
3752 return vmf->vma->vm_ops->huge_fault(vmf, PE_SIZE_PMD); in wp_huge_pmd()
3755 VM_BUG_ON_VMA(vmf->vma->vm_flags & VM_SHARED, vmf->vma); in wp_huge_pmd()
3756 __split_huge_pmd(vmf->vma, vmf->pmd, vmf->address, false, NULL); in wp_huge_pmd()
3761 static inline bool vma_is_accessible(struct vm_area_struct *vma) in vma_is_accessible() argument
3763 return vma->vm_flags & (VM_READ | VM_EXEC | VM_WRITE); in vma_is_accessible()
3770 if (vma_is_anonymous(vmf->vma)) in create_huge_pud()
3772 if (vmf->vma->vm_ops->huge_fault) in create_huge_pud()
3773 return vmf->vma->vm_ops->huge_fault(vmf, PE_SIZE_PUD); in create_huge_pud()
3782 if (vma_is_anonymous(vmf->vma)) in wp_huge_pud()
3784 if (vmf->vma->vm_ops->huge_fault) in wp_huge_pud()
3785 return vmf->vma->vm_ops->huge_fault(vmf, PE_SIZE_PUD); in wp_huge_pud()
3846 if (vma_is_anonymous(vmf->vma)) in handle_pte_fault()
3855 if (pte_protnone(vmf->orig_pte) && vma_is_accessible(vmf->vma)) in handle_pte_fault()
3858 vmf->ptl = pte_lockptr(vmf->vma->vm_mm, vmf->pmd); in handle_pte_fault()
3869 if (ptep_set_access_flags(vmf->vma, vmf->address, vmf->pte, entry, in handle_pte_fault()
3871 update_mmu_cache(vmf->vma, vmf->address, vmf->pte); in handle_pte_fault()
3880 flush_tlb_fix_spurious_fault(vmf->vma, vmf->address); in handle_pte_fault()
3893 static vm_fault_t __handle_mm_fault(struct vm_area_struct *vma, in __handle_mm_fault() argument
3897 .vma = vma, in __handle_mm_fault()
3900 .pgoff = linear_page_index(vma, address), in __handle_mm_fault()
3901 .gfp_mask = __get_fault_gfp_mask(vma), in __handle_mm_fault()
3904 struct mm_struct *mm = vma->vm_mm; in __handle_mm_fault()
3917 if (pud_none(*vmf.pud) && __transparent_hugepage_enabled(vma)) { in __handle_mm_fault()
3943 if (pmd_none(*vmf.pmd) && __transparent_hugepage_enabled(vma)) { in __handle_mm_fault()
3959 if (pmd_protnone(orig_pmd) && vma_is_accessible(vma)) in __handle_mm_fault()
3982 vm_fault_t handle_mm_fault(struct vm_area_struct *vma, unsigned long address, in handle_mm_fault() argument
3990 count_memcg_event_mm(vma->vm_mm, PGFAULT); in handle_mm_fault()
3995 if (!arch_vma_access_permitted(vma, flags & FAULT_FLAG_WRITE, in handle_mm_fault()
4007 if (unlikely(is_vm_hugetlb_page(vma))) in handle_mm_fault()
4008 ret = hugetlb_fault(vma->vm_mm, vma, address, flags); in handle_mm_fault()
4010 ret = __handle_mm_fault(vma, address, flags); in handle_mm_fault()
4219 int follow_pfn(struct vm_area_struct *vma, unsigned long address, in follow_pfn() argument
4226 if (!(vma->vm_flags & (VM_IO | VM_PFNMAP))) in follow_pfn()
4229 ret = follow_pte(vma->vm_mm, address, &ptep, &ptl); in follow_pfn()
4239 int follow_phys(struct vm_area_struct *vma, in follow_phys() argument
4247 if (!(vma->vm_flags & (VM_IO | VM_PFNMAP))) in follow_phys()
4250 if (follow_pte(vma->vm_mm, address, &ptep, &ptl)) in follow_phys()
4267 int generic_access_phys(struct vm_area_struct *vma, unsigned long addr, in generic_access_phys() argument
4275 if (follow_phys(vma, addr, write, &prot, &phys_addr)) in generic_access_phys()
4300 struct vm_area_struct *vma; in __access_remote_vm() local
4314 gup_flags, &page, &vma, NULL); in __access_remote_vm()
4323 vma = find_vma(mm, addr); in __access_remote_vm()
4324 if (!vma || vma->vm_start > addr) in __access_remote_vm()
4326 if (vma->vm_ops && vma->vm_ops->access) in __access_remote_vm()
4327 ret = vma->vm_ops->access(vma, addr, buf, in __access_remote_vm()
4341 copy_to_user_page(vma, page, addr, in __access_remote_vm()
4345 copy_from_user_page(vma, page, addr, in __access_remote_vm()
4407 struct vm_area_struct *vma; in print_vma_addr() local
4415 vma = find_vma(mm, ip); in print_vma_addr()
4416 if (vma && vma->vm_file) { in print_vma_addr()
4417 struct file *f = vma->vm_file; in print_vma_addr()
4426 vma->vm_start, in print_vma_addr()
4427 vma->vm_end - vma->vm_start); in print_vma_addr()
4546 struct vm_area_struct *vma, in copy_user_gigantic_page() argument
4555 copy_user_highpage(dst, src, addr + i*PAGE_SIZE, vma); in copy_user_gigantic_page()
4566 struct vm_area_struct *vma; member
4574 addr, copy_arg->vma); in copy_subpage()
4578 unsigned long addr_hint, struct vm_area_struct *vma, in copy_user_huge_page() argument
4586 .vma = vma, in copy_user_huge_page()
4590 copy_user_gigantic_page(dst, src, addr, vma, in copy_user_huge_page()