From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Sun, 29 Jun 2008 00:49:59 +0000 (-0700)
Subject: x86: fix warning in e820_reserve_resources with 32bit
X-Git-Tag: v2.6.27-rc1~1106^2~109
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b4df32f4aeef8794d0135fc8dc250acb44cfee60;p=pandora-kernel.git

x86: fix warning in e820_reserve_resources with 32bit

when 64bit resource is not enabled, we get:

arch/x86/kernel/e820.c: In function ‘e820_reserve_resources’:
arch/x86/kernel/e820.c:1217: warning: comparison is always false due to limited range of data type

because res->start/end is resource_t aka u32. it will overflow.

fix it with temp end of u64

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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