2369 	unsigned zerofrom, offset, len;  in cont_expand_zero()  local
2376 		zerofrom = curpos & ~PAGE_MASK;  in cont_expand_zero()
2377 		if (zerofrom & (blocksize-1)) {  in cont_expand_zero()
2381 		len = PAGE_SIZE - zerofrom;  in cont_expand_zero()
2387 		zero_user(page, zerofrom, len);  in cont_expand_zero()
2405 		zerofrom = curpos & ~PAGE_MASK;  in cont_expand_zero()
2407 		if (offset <= zerofrom) {  in cont_expand_zero()
2410 		if (zerofrom & (blocksize-1)) {  in cont_expand_zero()
2414 		len = offset - zerofrom;  in cont_expand_zero()
2420 		zero_user(page, zerofrom, len);  in cont_expand_zero()
2443 	unsigned int zerofrom;  in cont_write_begin()  local
2450 	zerofrom = *bytes & ~PAGE_MASK;  in cont_write_begin()
2451 	if (pos+len > *bytes && zerofrom & (blocksize-1)) {  in cont_write_begin()