xen: set max_pfn_mapped
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Cc: Yinghai Lu <yhlu.kernel@gmail.com> Cc: the arch/x86 maintainers <x86@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Cc: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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@ -1304,6 +1304,7 @@ asmlinkage void __init xen_start_kernel(void)
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init_pg_tables_start = __pa(pgd);
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init_pg_tables_end = __pa(pgd) + xen_start_info->nr_pt_frames*PAGE_SIZE;
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max_pfn_mapped = (init_pg_tables_end + 512*1024) >> PAGE_SHIFT;
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init_mm.pgd = pgd; /* use the Xen pagetables to start */
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