diff options
| -rw-r--r-- | kernel/sched.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/kernel/sched.c b/kernel/sched.c index 3209e2cc2c2e..992a1fae72a7 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -697,16 +697,17 @@ calc_delta_fair(unsigned long delta_exec, struct load_weight *lw) return calc_delta_mine(delta_exec, NICE_0_LOAD, lw); } -static void update_load_add(struct load_weight *lw, unsigned long inc) +static inline void update_load_add(struct load_weight *lw, unsigned long inc) { lw->weight += inc; - lw->inv_weight = 0; + lw->inv_weight = WMULT_CONST / lw->weight; } -static void update_load_sub(struct load_weight *lw, unsigned long dec) +static inline void update_load_sub(struct load_weight *lw, unsigned long dec) { lw->weight -= dec; - lw->inv_weight = 0; + if (likely(lw->weight)) + lw->inv_weight = WMULT_CONST / lw->weight; } /* |
