From: Yinghai Lu <yinghai@kernel.org>
Date: Wed, 1 Jul 2009 19:32:18 +0000 (-0700)
Subject: x86: add boundary check for 32bit res before expand e820 resource to alignment
X-Git-Tag: v2.6.31-rc2~13
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7c5371c403abb29f01bc6cff6c5096abdf2dc524;p=pandora-kernel.git

x86: add boundary check for 32bit res before expand e820 resource to alignment

fix hang with HIGHMEM_64G and 32bit resource.  According to hpa and
Linus, use (resource_size_t)-1 to fend off big ranges.

Analyzed by hpa

Reported-and-tested-by: Mikael Pettersson <mikpe@it.uu.se>
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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