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| /linux/net/ipv4/ |
| H A D | ip_output.c | diff 7da0dde68486b2d5bd7c689a9b327b77efecdfd0 Mon May 22 14:11:20 CEST 2023 David Howells <dhowells@redhat.com> ip, udp: Support MSG_SPLICE_PAGES
Make IP/UDP sendmsg() support MSG_SPLICE_PAGES. This causes pages to be
spliced from the source iterator.
This allows ->sendpage() to be replaced by something that can handle
multiple multipage folios in a single transaction.
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Willem de Bruijn <willemdebruijn.kernel@gmail.com>
cc: David Ahern <dsahern@kernel.org>
cc: Jens Axboe <axboe@kernel.dk>
cc: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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