diff options
Diffstat (limited to 'mm/page-writeback.c')
| -rw-r--r-- | mm/page-writeback.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/mm/page-writeback.c b/mm/page-writeback.c index e1514d5..22cddd3 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -768,7 +768,7 @@ static long long pos_ratio_polynom(unsigned long setpoint, long x; x = div64_s64(((s64)setpoint - (s64)dirty) << RATELIMIT_CALC_SHIFT, - limit - setpoint + 1); + (limit - setpoint) | 1); pos_ratio = x; pos_ratio = pos_ratio * x >> RATELIMIT_CALC_SHIFT; pos_ratio = pos_ratio * x >> RATELIMIT_CALC_SHIFT; @@ -995,7 +995,7 @@ static void wb_position_ratio(struct dirty_throttle_control *dtc) * scale global setpoint to wb's: * wb_setpoint = setpoint * wb_thresh / thresh */ - x = div_u64((u64)wb_thresh << 16, dtc->thresh + 1); + x = div_u64((u64)wb_thresh << 16, dtc->thresh | 1); wb_setpoint = setpoint * (u64)x >> 16; /* * Use span=(8*write_bw) in single wb case as indicated by @@ -1010,7 +1010,7 @@ static void wb_position_ratio(struct dirty_throttle_control *dtc) if (dtc->wb_dirty < x_intercept - span / 4) { pos_ratio = div64_u64(pos_ratio * (x_intercept - dtc->wb_dirty), - x_intercept - wb_setpoint + 1); + (x_intercept - wb_setpoint) | 1); } else pos_ratio /= 4; |
