From: Chris Metcalf <cmetcalf@tilera.com>
Date: Thu, 29 Mar 2012 18:02:52 +0000 (-0400)
Subject: arch/tile: avoid false corrupt frame warning in early boot
X-Git-Tag: v3.4-rc2~7^2~30
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b287f69676a34a9fc341de4d79a9c74e1959dec6;p=pandora-kernel.git

arch/tile: avoid false corrupt frame warning in early boot

With lockstat we can end up trying to get a backtrace before
"high_memory" is initialized, so don't worry about range testing
if it is zero.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
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