diff options
Diffstat (limited to 'include/linux/jiffies.h')
| -rw-r--r-- | include/linux/jiffies.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/jiffies.h b/include/linux/jiffies.h index 6811f4bfc6e7..f97672a36fa8 100644 --- a/include/linux/jiffies.h +++ b/include/linux/jiffies.h | |||
| @@ -42,7 +42,7 @@ | |||
| 42 | /* LATCH is used in the interval timer and ftape setup. */ | 42 | /* LATCH is used in the interval timer and ftape setup. */ |
| 43 | #define LATCH ((CLOCK_TICK_RATE + HZ/2) / HZ) /* For divider */ | 43 | #define LATCH ((CLOCK_TICK_RATE + HZ/2) / HZ) /* For divider */ |
| 44 | 44 | ||
| 45 | /* Suppose we want to devide two numbers NOM and DEN: NOM/DEN, then we can | 45 | /* Suppose we want to divide two numbers NOM and DEN: NOM/DEN, then we can |
| 46 | * improve accuracy by shifting LSH bits, hence calculating: | 46 | * improve accuracy by shifting LSH bits, hence calculating: |
| 47 | * (NOM << LSH) / DEN | 47 | * (NOM << LSH) / DEN |
| 48 | * This however means trouble for large NOM, because (NOM << LSH) may no | 48 | * This however means trouble for large NOM, because (NOM << LSH) may no |
| @@ -307,6 +307,7 @@ extern clock_t jiffies_to_clock_t(long x); | |||
| 307 | extern unsigned long clock_t_to_jiffies(unsigned long x); | 307 | extern unsigned long clock_t_to_jiffies(unsigned long x); |
| 308 | extern u64 jiffies_64_to_clock_t(u64 x); | 308 | extern u64 jiffies_64_to_clock_t(u64 x); |
| 309 | extern u64 nsec_to_clock_t(u64 x); | 309 | extern u64 nsec_to_clock_t(u64 x); |
| 310 | extern u64 nsecs_to_jiffies64(u64 n); | ||
| 310 | extern unsigned long nsecs_to_jiffies(u64 n); | 311 | extern unsigned long nsecs_to_jiffies(u64 n); |
| 311 | 312 | ||
| 312 | #define TIMESTAMP_SIZE 30 | 313 | #define TIMESTAMP_SIZE 30 |