net-zerocopy: Refactor frag-is-remappable test.

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Refactor frag-is-remappable test for tcp receive zerocopy. This is
part of a patch set that introduces short-circuited hybrid copies
for small receive operations, which results in roughly 33% fewer
syscalls for small RPC scenarios.

Signed-off-by: Arjun Roy <arjunroy@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Soheil Hassas Yeganeh <soheil@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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Arjun Roy 2020-12-02 14:53:45 -08:00 • committed by Jakub Kicinski

parent 7fba5309ef

commit 98917cf0d6

1 changed files with 26 additions and 8 deletions

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net/ipv4/tcp.c

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