linux-kernel - Re: [ofa-general] [PATCH 2.6.30] RDMA/cxgb3: Remove modulo math.

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Date:	Wed, 11 Feb 2009 10:12:09 -0800
From:	Roland Dreier <rdreier@...co.com>
To:	Steve Wise <swise@...ngridcomputing.com>
Cc:	randy.dunlap@...cle.com, linux-next@...r.kernel.org,
	linux-kernel@...r.kernel.org, general@...ts.openfabrics.org
Subject: Re: [ofa-general] [PATCH 2.6.30] RDMA/cxgb3: Remove modulo math.

 > Note that wr->sg_list[i].addr was being cast to a u32.  That was wrong.

Is it possible for the page to be bigger than 4GB?  If so then yes you
might be chopping off high-order bits or something.

Anyway please send me this change as a separate patch with a changelog
explaining that you're avoiding the div etc.... I don't want to roll it
in with the other unrelated fix (which changes code that was never
upstream anyway).
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