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-rw-r--r--include/linux/wordpart.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/wordpart.h b/include/linux/wordpart.h
index 4ca1ba66d2f0..5a7b97bb7c95 100644
--- a/include/linux/wordpart.h
+++ b/include/linux/wordpart.h
@@ -39,6 +39,14 @@
*/
#define REPEAT_BYTE(x) ((~0ul / 0xff) * (x))
+/**
+ * REPEAT_BYTE_U32 - repeat the value @x multiple times as a u32 value
+ * @x: value to repeat
+ *
+ * NOTE: @x is not checked for > 0xff; larger values produce odd results.
+ */
+#define REPEAT_BYTE_U32(x) lower_32_bits(REPEAT_BYTE(x))
+
/* Set bits in the first 'n' bytes when loaded from memory */
#ifdef __LITTLE_ENDIAN
# define aligned_byte_mask(n) ((1UL << 8*(n))-1)