diff options
Diffstat (limited to 'kernel/timer.c')
| -rw-r--r-- | kernel/timer.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/kernel/timer.c b/kernel/timer.c index 9199f3c52215..be394af5bc22 100644 --- a/kernel/timer.c +++ b/kernel/timer.c @@ -750,13 +750,14 @@ unsigned long apply_slack(struct timer_list *timer, unsigned long expires) unsigned long expires_limit, mask; int bit; - expires_limit = expires + timer->slack; + expires_limit = expires; - if (timer->slack < 0) /* auto slack: use 0.4% */ + if (timer->slack > -1) + expires_limit = expires + timer->slack; + else if (time_after(expires, jiffies)) /* auto slack: use 0.4% */ expires_limit = expires + (expires - jiffies)/256; mask = expires ^ expires_limit; - if (mask == 0) return expires; |