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-rw-r--r--include/asm-generic/cputime.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/asm-generic/cputime.h b/include/asm-generic/cputime.h
index 6f178563e33..09204e40d66 100644
--- a/include/asm-generic/cputime.h
+++ b/include/asm-generic/cputime.h
@@ -24,7 +24,9 @@ typedef u64 cputime64_t;
#define cputime64_zero (0ULL)
#define cputime64_add(__a, __b) ((__a) + (__b))
+#define cputime64_sub(__a, __b) ((__a) - (__b))
#define cputime64_to_jiffies64(__ct) (__ct)
+#define jiffies64_to_cputime64(__jif) (__jif)
#define cputime_to_cputime64(__ct) ((u64) __ct)