1043 static struct folio *check_ptes_for_batched_move(struct vm_area_struct *src_vma,  in check_ptes_for_batched_move()  argument
1058 	folio = vm_normal_folio(src_vma, src_addr, orig_src_pte);  in check_ptes_for_batched_move()
1074 			      struct vm_area_struct *src_vma,  in move_present_ptes()  argument
1089 	flush_cache_range(src_vma, src_addr, src_end);  in move_present_ptes()
1137 		src_folio = check_ptes_for_batched_move(src_vma, src_addr,  in move_present_ptes()
1145 		flush_tlb_range(src_vma, src_start, src_addr);  in move_present_ptes()
1220 			     struct vm_area_struct *src_vma,  in move_zeropage_pte()  argument
1238 	ptep_clear_flush(src_vma, src_addr, src_pte);  in move_zeropage_pte()
1253 			    struct vm_area_struct *src_vma,  in move_pages_ptes()  argument
1341 			ret = move_zeropage_pte(mm, dst_vma, src_vma,  in move_pages_ptes()
1368 			folio = vm_normal_folio(src_vma, src_addr, orig_src_pte);  in move_pages_ptes()
1425 		ret = move_present_ptes(mm, dst_vma, src_vma,  in move_pages_ptes()
1541 			       struct vm_area_struct *src_vma,  in validate_move_areas()  argument
1545 	if ((src_vma->vm_flags & VM_ACCESS_FLAGS) != (dst_vma->vm_flags & VM_ACCESS_FLAGS) ||  in validate_move_areas()
1546 	    pgprot_val(src_vma->vm_page_prot) != pgprot_val(dst_vma->vm_page_prot))  in validate_move_areas()
1550 	if ((src_vma->vm_flags & VM_LOCKED) != (dst_vma->vm_flags & VM_LOCKED))  in validate_move_areas()
1557 	if (!(src_vma->vm_flags & VM_WRITE))  in validate_move_areas()
1561 	if (!vma_move_compatible(src_vma) || !vma_move_compatible(dst_vma))  in validate_move_areas()
1570 	if (!vma_is_anonymous(src_vma) || !vma_is_anonymous(dst_vma))  in validate_move_areas()
1671 			     struct vm_area_struct *src_vma)  in uffd_move_unlock()  argument
1673 	vma_end_read(src_vma);  in uffd_move_unlock()
1674 	if (src_vma != dst_vma)  in uffd_move_unlock()
1696 			     struct vm_area_struct *src_vma)  in uffd_move_unlock()  argument
1698 	mmap_assert_locked(src_vma->vm_mm);  in uffd_move_unlock()
1774 	struct vm_area_struct *src_vma, *dst_vma;  in move_pages()  local
1789 	err = uffd_move_lock(mm, dst_start, src_start, &dst_vma, &src_vma);  in move_pages()
1804 	if (src_vma->vm_flags & VM_SHARED)  in move_pages()
1806 	if (src_start + len > src_vma->vm_end)  in move_pages()
1814 	err = validate_move_areas(ctx, src_vma, dst_vma);  in move_pages()
1859 		ptl = pmd_trans_huge_lock(src_pmd, src_vma);  in move_pages()
1877 				split_huge_pmd(src_vma, src_pmd, src_addr);  in move_pages()
1883 						  dst_pmdval, dst_vma, src_vma,  in move_pages()
1906 					      dst_vma, src_vma, dst_addr,  in move_pages()
1937 	uffd_move_unlock(dst_vma, src_vma);  in move_pages()