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author | David S. Miller <davem@davemloft.net> | 2009-01-08 11:05:59 -0800 |
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committer | David S. Miller <davem@davemloft.net> | 2009-01-08 11:05:59 -0800 |
commit | 7f46b1343f723f98634a5dcee47856b2000079ed (patch) | |
tree | ed22b6298c8dd2f687890a0d79abcd1d273b5f81 /kernel/sched_fair.c | |
parent | b8c31da64165b8566fc6e1c9c826f76e7b98ff02 (diff) | |
parent | 9e42d0cf5020aaf217433cad1a224745241d212a (diff) |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'kernel/sched_fair.c')
-rw-r--r-- | kernel/sched_fair.c | 30 |
1 files changed, 12 insertions, 18 deletions
diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c index 56c0efe902a..e0c0b4bc3f0 100644 --- a/kernel/sched_fair.c +++ b/kernel/sched_fair.c @@ -386,20 +386,6 @@ int sched_nr_latency_handler(struct ctl_table *table, int write, #endif /* - * delta *= P[w / rw] - */ -static inline unsigned long -calc_delta_weight(unsigned long delta, struct sched_entity *se) -{ - for_each_sched_entity(se) { - delta = calc_delta_mine(delta, - se->load.weight, &cfs_rq_of(se)->load); - } - - return delta; -} - -/* * delta /= w */ static inline unsigned long @@ -440,12 +426,20 @@ static u64 __sched_period(unsigned long nr_running) */ static u64 sched_slice(struct cfs_rq *cfs_rq, struct sched_entity *se) { - unsigned long nr_running = cfs_rq->nr_running; + u64 slice = __sched_period(cfs_rq->nr_running + !se->on_rq); - if (unlikely(!se->on_rq)) - nr_running++; + for_each_sched_entity(se) { + struct load_weight *load = &cfs_rq->load; - return calc_delta_weight(__sched_period(nr_running), se); + if (unlikely(!se->on_rq)) { + struct load_weight lw = cfs_rq->load; + + update_load_add(&lw, se->load.weight); + load = &lw; + } + slice = calc_delta_mine(slice, se->load.weight, load); + } + return slice; } /* |