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-rw-r--r--include/linux/wordpart.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/wordpart.h b/include/linux/wordpart.h
new file mode 100644
index 000000000000..c9e6bd773ebd
--- /dev/null
+++ b/include/linux/wordpart.h
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#ifndef _LINUX_WORDPART_H
+#define _LINUX_WORDPART_H
+/**
+ * REPEAT_BYTE - repeat the value @x multiple times as an unsigned long value
+ * @x: value to repeat
+ *
+ * NOTE: @x is not checked for > 0xff; larger values produce odd results.
+ */
+#define REPEAT_BYTE(x) ((~0ul / 0xff) * (x))
+
+#endif // _LINUX_WORDPART_H