tcp: Optimise len/mss comparison

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Instead of checking len > mss || len == 0, we can accomplish
both by checking (len - 1) > mss using the unsigned wraparound.
At nearly a million times a second, this might just help.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Herbert Xu 2009-05-26 18:50:26 +00:00 • committed by David S. Miller

parent 4a9a2968a1

commit 30a3ae30c7

1 changed files with 1 additions and 1 deletions

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net/ipv4/tcp.c

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