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-rw-r--r--include/linux/cpu_rmap.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/cpu_rmap.h b/include/linux/cpu_rmap.h
index 473771a528c0..ac3bbb5b9502 100644
--- a/include/linux/cpu_rmap.h
+++ b/include/linux/cpu_rmap.h
@@ -1,3 +1,6 @@
+#ifndef __LINUX_CPU_RMAP_H
+#define __LINUX_CPU_RMAP_H
+
/*
* cpu_rmap.c: CPU affinity reverse-map support
* Copyright 2011 Solarflare Communications Inc.
@@ -71,3 +74,4 @@ extern void free_irq_cpu_rmap(struct cpu_rmap *rmap);
extern int irq_cpu_rmap_add(struct cpu_rmap *rmap, int irq);
#endif
+#endif /* __LINUX_CPU_RMAP_H */