[RFC PATCH 03/30] cputime: Introduce nsecs_to_cputime64()

[Frederic Weisbecker]

This will be needed for the conversion of kernel stat to nsecs.

Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Cc: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
Cc: Oleg Nesterov <oleg@xxxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Rik van Riel <riel@xxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Tony Luck <tony.luck@xxxxxxxxx>
Cc: Wu Fengguang <fengguang.wu@xxxxxxxxx>
Signed-off-by: Frederic Weisbecker <fweisbec@xxxxxxxxx>
---
 include/linux/cputime.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/include/linux/cputime.h b/include/linux/cputime.h
index f2eb2ee..a225ab9 100644
--- a/include/linux/cputime.h
+++ b/include/linux/cputime.h
@@ -13,4 +13,14 @@
 	usecs_to_cputime((__nsecs) / NSEC_PER_USEC)
 #endif
 
+#ifndef nsecs_to_cputime
+# define nsecs_to_cputime(__nsecs)	\
+	usecs_to_cputime((__nsecs) / NSEC_PER_USEC)
+#endif
+
+#ifndef nsecs_to_cputime64
+# define nsecs_to_cputime64(__nsecs)	\
+	((__force cputime64_t) nsecs_to_cputime(__nsecs))
+#endif
+
 #endif /* __LINUX_CPUTIME_H */
-- 
2.1.3

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