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2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc

 kernel/Documentation/networking/msg_zerocopy.rst
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 =====
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 The MSG_ZEROCOPY flag enables copy avoidance for socket send calls.
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-The feature is currently implemented for TCP sockets.
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+The feature is currently implemented for TCP and UDP sockets.
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 Opportunity and Caveats
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   patchset
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     [PATCH net-next v4 0/9] socket sendmsg MSG_ZEROCOPY
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-    http://lkml.kernel.org/r/20170803202945.70750-1-willemdebruijn.kernel@gmail.com
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+    https://lkml.kernel.org/netdev/20170803202945.70750-1-willemdebruijn.kernel@gmail.com
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 Interface