diff options
| author | David Howells <dhowells@redhat.com> | 2023-06-23 23:55:12 +0100 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2023-06-24 15:50:13 -0700 |
| commit | dc97391e661009eab46783030d2404c9b6e6f2e7 (patch) | |
| tree | dbfd7c2bff27341b72d5218dde0849d913382bdb /Documentation/networking | |
| parent | e52828cc0109f511bba1dfb41292833c2fd3b6e6 (diff) | |
sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES)
Remove ->sendpage() and ->sendpage_locked(). sendmsg() with
MSG_SPLICE_PAGES should be used instead. This allows multiple pages and
multipage folios to be passed through.
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Marc Kleine-Budde <mkl@pengutronix.de> # for net/can
cc: Jens Axboe <axboe@kernel.dk>
cc: Matthew Wilcox <willy@infradead.org>
cc: linux-afs@lists.infradead.org
cc: mptcp@lists.linux.dev
cc: rds-devel@oss.oracle.com
cc: tipc-discussion@lists.sourceforge.net
cc: virtualization@lists.linux-foundation.org
Link: https://lore.kernel.org/r/20230623225513.2732256-16-dhowells@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'Documentation/networking')
| -rw-r--r-- | Documentation/networking/scaling.rst | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/networking/scaling.rst b/Documentation/networking/scaling.rst index 3d435caa3ef2..92c9fb46d6a2 100644 --- a/Documentation/networking/scaling.rst +++ b/Documentation/networking/scaling.rst @@ -269,8 +269,8 @@ a single application thread handles flows with many different flow hashes. rps_sock_flow_table is a global flow table that contains the *desired* CPU for flows: the CPU that is currently processing the flow in userspace. Each table value is a CPU index that is updated during calls to recvmsg -and sendmsg (specifically, inet_recvmsg(), inet_sendmsg(), inet_sendpage() -and tcp_splice_read()). +and sendmsg (specifically, inet_recvmsg(), inet_sendmsg() and +tcp_splice_read()). When the scheduler moves a thread to a new CPU while it has outstanding receive packets on the old CPU, packets may arrive out of order. To |