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Message-ID: <48CD22CF.9030900@goop.org>
Date: Sun, 14 Sep 2008 07:42:23 -0700
From: Jeremy Fitzhardinge <jeremy@...p.org>
To: Ingo Molnar <mingo@...e.hu>
CC: roberto@...it.it, jeremy@...source.com,
linux-kernel@...r.kernel.org, Mirko Iannella <mirko@...it.it>,
Alex Nixon <alex.nixon@...rix.com>
Subject: [PATCH] xen: Fix for xen guest with mem > 3.7G
PFN_PHYS() can truncate large addresses unless its passed a suitable
large type. This is fixed more generally in the patch series
introducing phys_addr_t, but we need a short-term fix to solve a
regression.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com>
Cc: roberto@...it.it
---
arch/x86/xen/setup.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
===================================================================
--- a/arch/x86/xen/setup.c
+++ b/arch/x86/xen/setup.c
@@ -42,7 +42,7 @@
e820.nr_map = 0;
- e820_add_region(0, PFN_PHYS(max_pfn), E820_RAM);
+ e820_add_region(0, PFN_PHYS((u64)max_pfn), E820_RAM);
/*
* Even though this is normal, usable memory under Xen, reserve
--
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