diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-06 17:10:33 -0800 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-06 17:10:33 -0800 |
commit | cfa97f993c275d193fe82c22511dfb5f1e51b661 (patch) | |
tree | 552cea5db0ef07bbcc5d53850607dcda6f9b664c /kernel/sched_fair.c | |
parent | 7238eb4ca35cd63340dc02caf757376e40c1210c (diff) | |
parent | db2f59c8c9b315f2b88b1dac159b988c6009034d (diff) | |
download | op-kernel-dev-cfa97f993c275d193fe82c22511dfb5f1e51b661.zip op-kernel-dev-cfa97f993c275d193fe82c22511dfb5f1e51b661.tar.gz |
Merge branch 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
sched: fix section mismatch
sched: fix double kfree in failure path
sched: clean up arch_reinit_sched_domains()
sched: mark sched_create_sysfs_power_savings_entries() as __init
getrusage: RUSAGE_THREAD should return ru_utime and ru_stime
sched: fix sched_slice()
sched_clock: prevent scd->clock from moving backwards, take #2
sched: sched.c declare variables before they get used
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 56c0efe..e0c0b4b 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; } /* |