This will be needed for the conversion of kernel stat to nsecs.
Cc: Benjamin Herrenschmidt <[email protected]>
Cc: Heiko Carstens <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Martin Schwidefsky <[email protected]>
Cc: Oleg Nesterov <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Rik van Riel <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Tony Luck <[email protected]>
Cc: Wu Fengguang <[email protected]>
Signed-off-by: Frederic Weisbecker <[email protected]>
---
arch/s390/include/asm/cputime.h | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/arch/s390/include/asm/cputime.h b/arch/s390/include/asm/cputime.h
index 820b38a..75ba96f 100644
--- a/arch/s390/include/asm/cputime.h
+++ b/arch/s390/include/asm/cputime.h
@@ -59,6 +59,11 @@ static inline cputime64_t jiffies64_to_cputime64(const u64
jif)
return (__force cputime64_t)(jif * (CPUTIME_PER_SEC / HZ));
}
+static inline u64 cputime64_to_nsecs(cputime64_t cputime)
+{
+ return (__force u64)cputime * CPUTIME_PER_USEC * NSEC_PER_USEC;
+}
+
/*
* Convert cputime to microseconds and back.
*/
--
2.1.3
--
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