From: Yinghai Lu <yinghai@kernel.org>
Date: Sat, 17 Nov 2012 03:38:50 +0000 (-0800)
Subject: x86, mm: use pfn_range_is_mapped() with gart
X-Git-Tag: v3.9-rc1~105^2~79
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5101730cb0613b91d40b9bb7be6bb023d2f6aa24;p=pandora-kernel.git

x86, mm: use pfn_range_is_mapped() with gart

We are going to map ram only, so under max_low_pfn_mapped,
between 4g and max_pfn_mapped does not mean mapped at all.

Use pfn_range_is_mapped() directly.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Link: http://lkml.kernel.org/r/1353123563-3103-14-git-send-email-yinghai@kernel.org
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
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