From: Hollis Blanchard <hollisb@us.ibm.com>
Date: Thu, 13 Nov 2008 21:48:33 +0000 (-0600)
Subject: virtio: avoid implicit use of Linux page size in balloon interface
X-Git-Tag: v2.6.29-rc1~558^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1b4aa2faeca1b9922033daf2475b6fc13b0ffea6;p=pandora-kernel.git

virtio: avoid implicit use of Linux page size in balloon interface

Make the balloon interface always use 4K pages, and convert Linux pfns if
necessary. This patch assumes that Linux's PAGE_SHIFT will never be less than
12.

Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (modified)
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