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-rw-r--r--arch/x86/xen/setup.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
index 90bac0aac3a..721f5760783 100644
--- a/arch/x86/xen/setup.c
+++ b/arch/x86/xen/setup.c
@@ -227,7 +227,11 @@ char * __init xen_memory_setup(void)
memcpy(map_raw, map, sizeof(map));
e820.nr_map = 0;
+#ifdef CONFIG_X86_32
+ xen_extra_mem_start = mem_end;
+#else
xen_extra_mem_start = max((1ULL << 32), mem_end);
+#endif
for (i = 0; i < memmap.nr_entries; i++) {
unsigned long long end;