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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/asm-generic/cputime_jiffies.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/asm-generic/cputime_jiffies.h')
-rw-r--r--include/asm-generic/cputime_jiffies.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/asm-generic/cputime_jiffies.h b/include/asm-generic/cputime_jiffies.h
index 272ecba9f588..d5cb78f53986 100644
--- a/include/asm-generic/cputime_jiffies.h
+++ b/include/asm-generic/cputime_jiffies.h
@@ -15,8 +15,10 @@ typedef u64 __nocast cputime64_t;
/*
- * Convert nanoseconds to cputime
+ * Convert nanoseconds <-> cputime
*/
+#define cputime_to_nsecs(__ct) \
+ jiffies_to_nsecs(cputime_to_jiffies(__ct))
#define nsecs_to_cputime64(__nsec) \
jiffies64_to_cputime64(nsecs_to_jiffies64(__nsec))
#define nsecs_to_cputime(__nsec) \