738 		pte_t *dst_pte, pte_t *src_pte, struct vm_area_struct *dst_vma,  in copy_nonpresent_pte()  argument
741 	unsigned long vm_flags = dst_vma->vm_flags;  in copy_nonpresent_pte()
810 	if (!userfaultfd_wp(dst_vma))  in copy_nonpresent_pte()
837 copy_present_page(struct vm_area_struct *dst_vma, struct vm_area_struct *src_vma,  in copy_present_page()  argument
887 	page_add_new_anon_rmap(new_page, dst_vma, addr, false);  in copy_present_page()
888 	lru_cache_add_inactive_or_unevictable(new_page, dst_vma);  in copy_present_page()
892 	pte = mk_pte(new_page, dst_vma->vm_page_prot);  in copy_present_page()
893 	pte = maybe_mkwrite(pte_mkdirty(pte), dst_vma->vm_flags);  in copy_present_page()
894 	if (userfaultfd_pte_wp(dst_vma, *src_pte))  in copy_present_page()
897 	set_pte_at(dst_vma->vm_mm, addr, dst_pte, pte);  in copy_present_page()
906 copy_present_pte(struct vm_area_struct *dst_vma, struct vm_area_struct *src_vma,  in copy_present_pte()  argument
919 		retval = copy_present_page(dst_vma, src_vma, dst_pte, src_pte,  in copy_present_pte()
946 	if (!userfaultfd_wp(dst_vma))  in copy_present_pte()
949 	set_pte_at(dst_vma->vm_mm, addr, dst_pte, pte);  in copy_present_pte()
973 copy_pte_range(struct vm_area_struct *dst_vma, struct vm_area_struct *src_vma,  in copy_pte_range()  argument
977 	struct mm_struct *dst_mm = dst_vma->vm_mm;  in copy_pte_range()
1021 							dst_vma, src_vma,  in copy_pte_range()
1029 		ret = copy_present_pte(dst_vma, src_vma, dst_pte, src_pte,  in copy_pte_range()
1080 copy_pmd_range(struct vm_area_struct *dst_vma, struct vm_area_struct *src_vma,  in copy_pmd_range()  argument
1084 	struct mm_struct *dst_mm = dst_vma->vm_mm;  in copy_pmd_range()
1100 					    addr, dst_vma, src_vma);  in copy_pmd_range()
1109 		if (copy_pte_range(dst_vma, src_vma, dst_pmd, src_pmd,  in copy_pmd_range()
1117 copy_pud_range(struct vm_area_struct *dst_vma, struct vm_area_struct *src_vma,  in copy_pud_range()  argument
1121 	struct mm_struct *dst_mm = dst_vma->vm_mm;  in copy_pud_range()
1146 		if (copy_pmd_range(dst_vma, src_vma, dst_pud, src_pud,  in copy_pud_range()
1154 copy_p4d_range(struct vm_area_struct *dst_vma, struct vm_area_struct *src_vma,  in copy_p4d_range()  argument
1158 	struct mm_struct *dst_mm = dst_vma->vm_mm;  in copy_p4d_range()
1170 		if (copy_pud_range(dst_vma, src_vma, dst_p4d, src_p4d,  in copy_p4d_range()
1178 copy_page_range(struct vm_area_struct *dst_vma, struct vm_area_struct *src_vma)  in copy_page_range()  argument
1184 	struct mm_struct *dst_mm = dst_vma->vm_mm;  in copy_page_range()
1243 		if (unlikely(copy_p4d_range(dst_vma, src_vma, dst_pgd, src_pgd,  in copy_page_range()