From: Roland Dreier <roland@topspin.com>
Date: Sat, 16 Apr 2005 22:26:06 +0000 (-0700)
Subject: [PATCH] IPoIB: fix static rate calculation
X-Git-Tag: v2.6.12-rc3~91
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e6ded99cbbbfef2cef537d717ad61d2f77f4dfd6;p=pandora-kernel.git

[PATCH] IPoIB: fix static rate calculation

Correct and simplify calculation of static rate.  We need to round up the
quotient of (local_rate - path_rate) / path_rate.  To round up we add
(path_rate - 1) to the numerator, so the quotient simplifies to (local_rate -
1) / path_rate.

No idea how I came up with the old formula.

Signed-off-by: Roland Dreier <roland@topspin.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

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