bpf: linux/bpf.h needs linux/numa.h

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index 55b88e3..830f472 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -14,6 +14,7 @@
 #include <linux/percpu.h>
 #include <linux/err.h>
 #include <linux/rbtree_latch.h>
+#include <linux/numa.h>
 
 struct perf_event;
 struct bpf_prog;