From: Michael S. Tsirkin <mst@mellanox.co.il>
Date: Mon, 9 Jan 2006 21:50:57 +0000 (-0800)
Subject: IB/mthca: fix page shift calculation in mthca_reg_phys_mr()
X-Git-Tag: v2.6.16-rc1~172^2~13
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6627fa662e86c400284b64c13661fdf6bff05983;p=pandora-kernel.git

IB/mthca: fix page shift calculation in mthca_reg_phys_mr()

For all pages except possibly the last one, the byte beyond the buffer
end must be page aligned.  Therefore, when computing the page shift to
use, OR the end addresses of the buffers as well as the start
addresses into the mask we check.

Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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