23 			    struct vm_area_struct *dst_vma,  in mcopy_atomic_pte()  argument
39 		page = alloc_page_vma(GFP_HIGHUSER_MOVABLE, dst_vma, dst_addr);  in mcopy_atomic_pte()
72 	_dst_pte = mk_pte(page, dst_vma->vm_page_prot);  in mcopy_atomic_pte()
73 	if (dst_vma->vm_flags & VM_WRITE)  in mcopy_atomic_pte()
77 	if (dst_vma->vm_file) {  in mcopy_atomic_pte()
79 		inode = dst_vma->vm_file->f_inode;  in mcopy_atomic_pte()
80 		offset = linear_page_index(dst_vma, dst_addr);  in mcopy_atomic_pte()
91 	page_add_new_anon_rmap(page, dst_vma, dst_addr, false);  in mcopy_atomic_pte()
93 	lru_cache_add_active_or_unevictable(page, dst_vma);  in mcopy_atomic_pte()
98 	update_mmu_cache(dst_vma, dst_addr, dst_pte);  in mcopy_atomic_pte()
114 			      struct vm_area_struct *dst_vma,  in mfill_zeropage_pte()  argument
124 					 dst_vma->vm_page_prot));  in mfill_zeropage_pte()
126 	if (dst_vma->vm_file) {  in mfill_zeropage_pte()
128 		inode = dst_vma->vm_file->f_inode;  in mfill_zeropage_pte()
129 		offset = linear_page_index(dst_vma, dst_addr);  in mfill_zeropage_pte()
140 	update_mmu_cache(dst_vma, dst_addr, dst_pte);  in mfill_zeropage_pte()
174 					      struct vm_area_struct *dst_vma,  in __mcopy_atomic_hugetlb()  argument
180 	int vm_alloc_shared = dst_vma->vm_flags & VM_SHARED;  in __mcopy_atomic_hugetlb()
181 	int vm_shared = dst_vma->vm_flags & VM_SHARED;  in __mcopy_atomic_hugetlb()
208 	vma_hpagesize = vma_kernel_pagesize(dst_vma);  in __mcopy_atomic_hugetlb()
222 	if (!dst_vma) {  in __mcopy_atomic_hugetlb()
224 		dst_vma = find_vma(dst_mm, dst_start);  in __mcopy_atomic_hugetlb()
225 		if (!dst_vma || !is_vm_hugetlb_page(dst_vma))  in __mcopy_atomic_hugetlb()
232 		if (!dst_vma->vm_userfaultfd_ctx.ctx)  in __mcopy_atomic_hugetlb()
235 		if (dst_start < dst_vma->vm_start ||  in __mcopy_atomic_hugetlb()
236 		    dst_start + len > dst_vma->vm_end)  in __mcopy_atomic_hugetlb()
240 		if (vma_hpagesize != vma_kernel_pagesize(dst_vma))  in __mcopy_atomic_hugetlb()
243 		vm_shared = dst_vma->vm_flags & VM_SHARED;  in __mcopy_atomic_hugetlb()
255 		if (unlikely(anon_vma_prepare(dst_vma)))  in __mcopy_atomic_hugetlb()
259 	h = hstate_vma(dst_vma);  in __mcopy_atomic_hugetlb()
270 		idx = linear_page_index(dst_vma, dst_addr);  in __mcopy_atomic_hugetlb()
271 		mapping = dst_vma->vm_file->f_mapping;  in __mcopy_atomic_hugetlb()
289 		err = hugetlb_mcopy_atomic_pte(dst_mm, dst_pte, dst_vma,  in __mcopy_atomic_hugetlb()
310 			dst_vma = NULL;  in __mcopy_atomic_hugetlb()
386 				      struct vm_area_struct *dst_vma,
395 						struct vm_area_struct *dst_vma,  in mfill_atomic_pte()  argument
413 	if (!(dst_vma->vm_flags & VM_SHARED)) {  in mfill_atomic_pte()
415 			err = mcopy_atomic_pte(dst_mm, dst_pmd, dst_vma,  in mfill_atomic_pte()
419 						 dst_vma, dst_addr);  in mfill_atomic_pte()
423 						     dst_vma, dst_addr,  in mfill_atomic_pte()
427 						       dst_vma, dst_addr);  in mfill_atomic_pte()
440 	struct vm_area_struct *dst_vma;  in __mcopy_atomic()  local
478 	dst_vma = find_vma(dst_mm, dst_start);  in __mcopy_atomic()
479 	if (!dst_vma)  in __mcopy_atomic()
486 	if (!dst_vma->vm_userfaultfd_ctx.ctx)  in __mcopy_atomic()
489 	if (dst_start < dst_vma->vm_start ||  in __mcopy_atomic()
490 	    dst_start + len > dst_vma->vm_end)  in __mcopy_atomic()
498 	if (WARN_ON_ONCE(vma_is_anonymous(dst_vma) &&  in __mcopy_atomic()
499 	    dst_vma->vm_flags & VM_SHARED))  in __mcopy_atomic()
505 	if (is_vm_hugetlb_page(dst_vma))  in __mcopy_atomic()
506 		return  __mcopy_atomic_hugetlb(dst_mm, dst_vma, dst_start,  in __mcopy_atomic()
509 	if (!vma_is_anonymous(dst_vma) && !vma_is_shmem(dst_vma))  in __mcopy_atomic()
518 	if (!(dst_vma->vm_flags & VM_SHARED) &&  in __mcopy_atomic()
519 	    unlikely(anon_vma_prepare(dst_vma)))  in __mcopy_atomic()
556 		err = mfill_atomic_pte(dst_mm, dst_pmd, dst_vma, dst_addr,  in __mcopy_atomic()