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-rw-r--r--arch/x86/xen/enlighten.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index 316623cf411..76ad1efaf09 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -1304,6 +1304,7 @@ asmlinkage void __init xen_start_kernel(void)
init_pg_tables_start = __pa(pgd);
init_pg_tables_end = __pa(pgd) + xen_start_info->nr_pt_frames*PAGE_SIZE;
+ max_pfn_mapped = (init_pg_tables_end + 512*1024) >> PAGE_SHIFT;
init_mm.pgd = pgd; /* use the Xen pagetables to start */