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-rw-r--r--arch/ia64/kernel/setup.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
index 1b23ec12..1de86c9 100644
--- a/arch/ia64/kernel/setup.c
+++ b/arch/ia64/kernel/setup.c
@@ -855,11 +855,17 @@ identify_cpu (struct cpuinfo_ia64 *c)
c->unimpl_pa_mask = ~((1L<<63) | ((1L << phys_addr_size) - 1));
}
+/*
+ * In UP configuration, setup_per_cpu_areas() is defined in
+ * include/linux/percpu.h
+ */
+#ifdef CONFIG_SMP
void __init
setup_per_cpu_areas (void)
{
/* start_kernel() requires this... */
}
+#endif
/*
* Do the following calculations:
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