Eric Dumazet b92edbe0b8 [TCP] Avoid two divides in tcp_output.c ...

Because 'free_space' variable in __tcp_select_window() is signed,
expression (free_space / 2) forces compiler to emit an integer divide.

This can be changed to a plain right shift, less expensive.

Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2008-01-28 14:59:41 -08:00

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