From: Eric Dumazet <dada1@cosmosbay.com>
Date: Fri, 21 Dec 2007 05:48:32 +0000 (-0800)
Subject: [TCP] Avoid two divides in tcp_output.c
X-Git-Tag: v2.6.25-rc1~1162^2~952
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b92edbe0b8a36a833c16b0cbafb6e899b81ffc08;p=pandora-kernel.git

[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>
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