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Diffstat (limited to 'include/linux/tnum.h')
-rw-r--r--include/linux/tnum.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/tnum.h b/include/linux/tnum.h
index 3c13240077b8..57ed3035cc30 100644
--- a/include/linux/tnum.h
+++ b/include/linux/tnum.h
@@ -40,6 +40,8 @@ struct tnum tnum_arshift(struct tnum a, u8 min_shift, u8 insn_bitness);
struct tnum tnum_add(struct tnum a, struct tnum b);
/* Subtract two tnums, return @a - @b */
struct tnum tnum_sub(struct tnum a, struct tnum b);
+/* Neg of a tnum, return 0 - @a */
+struct tnum tnum_neg(struct tnum a);
/* Bitwise-AND, return @a & @b */
struct tnum tnum_and(struct tnum a, struct tnum b);
/* Bitwise-OR, return @a | @b */