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-rw-r--r--include/linux/byteorder/swab.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/byteorder/swab.h b/include/linux/byteorder/swab.h
index 4334fa77e3..5efc252acf 100644
--- a/include/linux/byteorder/swab.h
+++ b/include/linux/byteorder/swab.h
@@ -39,6 +39,10 @@
(__u64)(((__u64)(x) & (__u64)0x00ff000000000000ULL) >> 40) | \
(__u64)(((__u64)(x) & (__u64)0xff00000000000000ULL) >> 56) ))
+#define ___constant_swab16(x) ___swab16(x)
+#define ___constant_swab32(x) ___swab32(x)
+#define ___constant_swab64(x) ___swab64(x)
+
/*
* provide defaults when no architecture-specific optimization is detected
*/