Commit 5670a43d authored Sep 14, 2008 by Jeremy Fitzhardinge Committed by Ingo Molnar Sep 14, 2008

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
Xen regression reported by Roberto De Ioris.

Reported-by: Roberto De Ioris <roberto@unbit.it>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

parent 0ad5bce7

arch/x86/xen/setup.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -42,7 +42,7 @@ char * __init xen_memory_setup(void)

		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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