diff options
Diffstat (limited to 'include/linux/proportions.h')
| -rw-r--r-- | include/linux/proportions.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/proportions.h b/include/linux/proportions.h index ef35bb73f69..26a8a4ed9b0 100644 --- a/include/linux/proportions.h +++ b/include/linux/proportions.h @@ -81,7 +81,11 @@ void prop_inc_percpu(struct prop_descriptor *pd, struct prop_local_percpu *pl) * Limit the time part in order to ensure there are some bits left for the * cycle counter and fraction multiply. */ +#if BITS_PER_LONG == 32 #define PROP_MAX_SHIFT (3*BITS_PER_LONG/4) +#else +#define PROP_MAX_SHIFT (BITS_PER_LONG/2) +#endif #define PROP_FRAC_SHIFT (BITS_PER_LONG - PROP_MAX_SHIFT - 1) #define PROP_FRAC_BASE (1UL << PROP_FRAC_SHIFT) |