csump             264 include/linux/uio.h size_t csum_and_copy_to_iter(const void *addr, size_t bytes, void *csump, struct iov_iter *i);
csump            1487 lib/iov_iter.c size_t csum_and_copy_to_iter(const void *addr, size_t bytes, void *csump,
csump            1491 lib/iov_iter.c 	__wsum *csum = csump;
csump             701 net/core/datagram.c 				      __wsum *csump)
csump             704 net/core/datagram.c 			csum_and_copy_to_iter, csump);