diff options
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-pxa/generic.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/arm/mach-pxa/generic.c b/arch/arm/mach-pxa/generic.c index 6ae605857ca9..9de1278d234f 100644 --- a/arch/arm/mach-pxa/generic.c +++ b/arch/arm/mach-pxa/generic.c | |||
| @@ -76,7 +76,9 @@ unsigned long long sched_clock(void) | |||
| 76 | /* | 76 | /* |
| 77 | * 96-bit math to perform tick * NSEC_PER_SEC / CLOCK_TICK_RATE for | 77 | * 96-bit math to perform tick * NSEC_PER_SEC / CLOCK_TICK_RATE for |
| 78 | * any value of CLOCK_TICK_RATE. Max value is in the 80 thousand | 78 | * any value of CLOCK_TICK_RATE. Max value is in the 80 thousand |
| 79 | * years range which is nice, but with higher computation cost. | 79 | * years range and truncation to unsigned long long limits it to |
| 80 | * sched_clock's max range of ~584 years. This is nice but with | ||
| 81 | * higher computation cost. | ||
| 80 | */ | 82 | */ |
| 81 | { | 83 | { |
| 82 | union { | 84 | union { |