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-rw-r--r--net/ceph/crush/mapper.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/ceph/crush/mapper.c b/net/ceph/crush/mapper.c
index 854ac53f56cd..363f8f7e6c3c 100644
--- a/net/ceph/crush/mapper.c
+++ b/net/ceph/crush/mapper.c
@@ -20,6 +20,7 @@
 
 #include <linux/crush/crush.h>
 #include <linux/crush/hash.h>
+#include <linux/crush/mapper.h>
 
 /*
  * Implement the core CRUSH mapping algorithm.