Commit 05ebb761 authored by Vojtech Pavlik's avatar Vojtech Pavlik Committed by Linus Torvalds
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[PATCH] x86_64: Add useful constants to time.h

In timekeeping code, one often does need to use conversion constants. Naming
these leads to code that's easier to understand, showing the reader between
which units the conversion is made.
Signed-off-by: default avatarVojtech Pavlik <>
Signed-off-by: default avatarAndi Kleen <>
Signed-off-by: default avatarLinus Torvalds <>
parent f3fa8ebc
......@@ -28,10 +28,13 @@ struct timezone {
#ifdef __KERNEL__
/* Parameters used to convert the timespec values: */
#define MSEC_PER_SEC 1000L
#define USEC_PER_SEC 1000000L
#define NSEC_PER_SEC 1000000000L
#define NSEC_PER_USEC 1000L
#define MSEC_PER_SEC 1000L
#define USEC_PER_MSEC 1000L
#define NSEC_PER_USEC 1000L
#define NSEC_PER_MSEC 1000000L
#define USEC_PER_SEC 1000000L
#define NSEC_PER_SEC 1000000000L
#define FSEC_PER_SEC 1000000000000000L
static inline int timespec_equal(struct timespec *a, struct timespec *b)
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