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| author | Pavel Begunkov <asml.silence@gmail.com> | 2023-05-15 17:06:37 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2023-05-17 08:37:55 +0100 |
| commit | a7533584728d366f11b210d0e8a2fad03109c669 (patch) | |
| tree | ea527346b81a27e1bd3d80a2ea1ff207034e51b4 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | eea96a3e2c909a055005ac65dde356b36cabc4ed (diff) | |
net/tcp: optimise io_uring zc ubuf refcounting
io_uring keeps a reference to ubuf_info during submission, so if
tcp_sendmsg_locked() sees msghdr::msg_ubuf in can be sure the buffer
will be kept alive and doesn't need to additionally pin it.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions