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authorFrederic Weisbecker <fweisbec@gmail.com>2014-03-05 16:22:37 +0100
committerFrederic Weisbecker <fweisbec@gmail.com>2014-03-13 15:56:44 +0100
commitd8a9ce3f8ad2b546b9ebaf65de809da0793f11c5 (patch)
treeb135c1cbf8b3eb31e1ee58a7aa8b0f43f7f6a828 /include/linux/cputime.h
parentbfc3f0281e08066fa8111c3972cff6edc1049864 (diff)
cputime: Bring cputime -> nsecs conversion
We already have nsecs_to_cputime(). Now we need to be able to convert the other way around in order to fix a bug on steal time accounting. Cc: Ingo Molnar <mingo@kernel.org> Cc: Marcelo Tosatti <mtosatti@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Acked-by: Rik van Riel <riel@redhat.com> Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Diffstat (limited to 'include/linux/cputime.h')
-rw-r--r--include/linux/cputime.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/cputime.h b/include/linux/cputime.h
index 2842ebe2844..f2eb2ee535c 100644
--- a/include/linux/cputime.h
+++ b/include/linux/cputime.h
@@ -3,6 +3,11 @@
#include <asm/cputime.h>
+#ifndef cputime_to_nsecs
+# define cputime_to_nsecs(__ct) \
+ (cputime_to_usecs(__ct) * NSEC_PER_USEC)
+#endif
+
#ifndef nsecs_to_cputime
# define nsecs_to_cputime(__nsecs) \
usecs_to_cputime((__nsecs) / NSEC_PER_USEC)