227 	size_t copy;  in _shift_data_left_pages()  local
247 		copy = len;  in _shift_data_left_pages()
248 		if (copy > (PAGE_SIZE - pgto_base))  in _shift_data_left_pages()
249 			copy = PAGE_SIZE - pgto_base;  in _shift_data_left_pages()
250 		if (copy > (PAGE_SIZE - pgfrom_base))  in _shift_data_left_pages()
251 			copy = PAGE_SIZE - pgfrom_base;  in _shift_data_left_pages()
256 			memcpy(vto + pgto_base, vfrom + pgfrom_base, copy);  in _shift_data_left_pages()
259 			memmove(vto + pgto_base, vto + pgfrom_base, copy);  in _shift_data_left_pages()
263 		pgto_base += copy;  in _shift_data_left_pages()
264 		pgfrom_base += copy;  in _shift_data_left_pages()
266 	} while ((len -= copy) != 0);  in _shift_data_left_pages()
309 	size_t copy;  in _shift_data_right_pages()  local
333 		copy = len;  in _shift_data_right_pages()
334 		if (copy > pgto_base)  in _shift_data_right_pages()
335 			copy = pgto_base;  in _shift_data_right_pages()
336 		if (copy > pgfrom_base)  in _shift_data_right_pages()
337 			copy = pgfrom_base;  in _shift_data_right_pages()
338 		pgto_base -= copy;  in _shift_data_right_pages()
339 		pgfrom_base -= copy;  in _shift_data_right_pages()
344 			memcpy(vto + pgto_base, vfrom + pgfrom_base, copy);  in _shift_data_right_pages()
347 			memmove(vto + pgto_base, vto + pgfrom_base, copy);  in _shift_data_right_pages()
351 	} while ((len -= copy) != 0);  in _shift_data_right_pages()
360 	size_t copy;  in _shift_data_right_tail()  local
374 		copy = len;  in _shift_data_right_tail()
381 			copy = tail->iov_len;  in _shift_data_right_tail()
387 					 copy);  in _shift_data_right_tail()
388 		result += copy;  in _shift_data_right_tail()
409 	size_t copy;  in _copy_to_pages()  local
415 		copy = PAGE_SIZE - pgbase;  in _copy_to_pages()
416 		if (copy > len)  in _copy_to_pages()
417 			copy = len;  in _copy_to_pages()
420 		memcpy(vto + pgbase, p, copy);  in _copy_to_pages()
423 		len -= copy;  in _copy_to_pages()
427 		pgbase += copy;  in _copy_to_pages()
433 		p += copy;  in _copy_to_pages()
453 	size_t copy;  in _copy_from_pages()  local
459 		copy = PAGE_SIZE - pgbase;  in _copy_from_pages()
460 		if (copy > len)  in _copy_from_pages()
461 			copy = len;  in _copy_from_pages()
464 		memcpy(p, vfrom + pgbase, copy);  in _copy_from_pages()
467 		pgbase += copy;  in _copy_from_pages()
472 		p += copy;  in _copy_from_pages()
474 	} while ((len -= copy) != 0);  in _copy_from_pages()
523 	size_t copy, offs;  in xdr_shrink_bufhead()  local
538 			copy = tail->iov_len - len;  in xdr_shrink_bufhead()
540 					tail->iov_base, copy);  in xdr_shrink_bufhead()
541 			result += copy;  in xdr_shrink_bufhead()
544 		copy = len;  in xdr_shrink_bufhead()
545 		if (copy > pglen)  in xdr_shrink_bufhead()
546 			copy = pglen;  in xdr_shrink_bufhead()
547 		offs = len - copy;  in xdr_shrink_bufhead()
549 			copy = 0;  in xdr_shrink_bufhead()
550 		else if (copy > tail->iov_len - offs)  in xdr_shrink_bufhead()
551 			copy = tail->iov_len - offs;  in xdr_shrink_bufhead()
552 		if (copy != 0) {  in xdr_shrink_bufhead()
556 					copy);  in xdr_shrink_bufhead()
557 			result += copy;  in xdr_shrink_bufhead()
561 			offs = copy = len - pglen;  in xdr_shrink_bufhead()
562 			if (copy > tail->iov_len)  in xdr_shrink_bufhead()
563 				copy = tail->iov_len;  in xdr_shrink_bufhead()
567 					copy);  in xdr_shrink_bufhead()
568 			result += copy;  in xdr_shrink_bufhead()
578 		copy = len;  in xdr_shrink_bufhead()
580 			copy = pglen;  in xdr_shrink_bufhead()
583 				copy);  in xdr_shrink_bufhead()
584 		result += copy;  in xdr_shrink_bufhead()