773 		struct vm_area_struct *src_vma, unsigned long addr, int *rss)  in copy_nonpresent_pte()  argument
852 		VM_BUG_ON(!is_cow_mapping(src_vma->vm_flags));  in copy_nonpresent_pte()
853 		if (try_restore_exclusive_pte(src_pte, src_vma, addr))  in copy_nonpresent_pte()
884 copy_present_page(struct vm_area_struct *dst_vma, struct vm_area_struct *src_vma,  in copy_present_page()  argument
903 	if (likely(!page_needs_cow_for_dma(src_vma, page)))  in copy_present_page()
915 	copy_user_highpage(new_page, page, addr, src_vma);  in copy_present_page()
936 copy_present_pte(struct vm_area_struct *dst_vma, struct vm_area_struct *src_vma,  in copy_present_pte()  argument
940 	struct mm_struct *src_mm = src_vma->vm_mm;  in copy_present_pte()
941 	unsigned long vm_flags = src_vma->vm_flags;  in copy_present_pte()
945 	page = vm_normal_page(src_vma, addr, pte);  in copy_present_pte()
949 		retval = copy_present_page(dst_vma, src_vma, dst_pte, src_pte,  in copy_present_pte()
1003 copy_pte_range(struct vm_area_struct *dst_vma, struct vm_area_struct *src_vma,  in copy_pte_range()  argument
1008 	struct mm_struct *src_mm = src_vma->vm_mm;  in copy_pte_range()
1051 						  dst_vma, src_vma,  in copy_pte_range()
1070 		ret = copy_present_pte(dst_vma, src_vma, dst_pte, src_pte,  in copy_pte_range()
1108 		prealloc = page_copy_prealloc(src_mm, src_vma, addr);  in copy_pte_range()
1127 copy_pmd_range(struct vm_area_struct *dst_vma, struct vm_area_struct *src_vma,  in copy_pmd_range()  argument
1132 	struct mm_struct *src_mm = src_vma->vm_mm;  in copy_pmd_range()
1145 			VM_BUG_ON_VMA(next-addr != HPAGE_PMD_SIZE, src_vma);  in copy_pmd_range()
1147 					    addr, dst_vma, src_vma);  in copy_pmd_range()
1156 		if (copy_pte_range(dst_vma, src_vma, dst_pmd, src_pmd,  in copy_pmd_range()
1164 copy_pud_range(struct vm_area_struct *dst_vma, struct vm_area_struct *src_vma,  in copy_pud_range()  argument
1169 	struct mm_struct *src_mm = src_vma->vm_mm;  in copy_pud_range()
1182 			VM_BUG_ON_VMA(next-addr != HPAGE_PUD_SIZE, src_vma);  in copy_pud_range()
1184 					    dst_pud, src_pud, addr, src_vma);  in copy_pud_range()
1193 		if (copy_pmd_range(dst_vma, src_vma, dst_pud, src_pud,  in copy_pud_range()
1201 copy_p4d_range(struct vm_area_struct *dst_vma, struct vm_area_struct *src_vma,  in copy_p4d_range()  argument
1217 		if (copy_pud_range(dst_vma, src_vma, dst_p4d, src_p4d,  in copy_p4d_range()
1225 copy_page_range(struct vm_area_struct *dst_vma, struct vm_area_struct *src_vma)  in copy_page_range()  argument
1229 	unsigned long addr = src_vma->vm_start;  in copy_page_range()
1230 	unsigned long end = src_vma->vm_end;  in copy_page_range()
1232 	struct mm_struct *src_mm = src_vma->vm_mm;  in copy_page_range()
1243 	if (!(src_vma->vm_flags & (VM_HUGETLB | VM_PFNMAP | VM_MIXEDMAP)) &&  in copy_page_range()
1244 	    !src_vma->anon_vma)  in copy_page_range()
1247 	if (is_vm_hugetlb_page(src_vma))  in copy_page_range()
1248 		return copy_hugetlb_page_range(dst_mm, src_mm, src_vma);  in copy_page_range()
1250 	if (unlikely(src_vma->vm_flags & VM_PFNMAP)) {  in copy_page_range()
1255 		ret = track_pfn_copy(src_vma);  in copy_page_range()
1266 	is_cow = is_cow_mapping(src_vma->vm_flags);  in copy_page_range()
1270 					0, src_vma, src_mm, addr, end);  in copy_page_range()
1290 		if (unlikely(copy_p4d_range(dst_vma, src_vma, dst_pgd, src_pgd,  in copy_page_range()