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Merge branch 'sched/urgent' into sched/core

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This commit is contained in:
Ingo Molnar
2008-11-07 10:29:58 +01:00
parent a87d091434 ca3273f964
commit 258594a138
195 changed files with 3840 additions and 1291 deletions
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13
kernel/sched.c
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@@ -397,7 +397,7 @@ struct cfs_rq {
* 'curr' points to currently running entity on this cfs_rq.
* It is set to NULL otherwise (i.e when none are currently running).
*/
struct sched_entity *curr, *next;
struct sched_entity *curr, *next, *last;
unsigned long nr_spread_over;
@@ -1785,7 +1785,9 @@ task_hot(struct task_struct *p, u64 now, struct sched_domain *sd)
/*
* Buddy candidates are cache hot:
*/
if (sched_feat(CACHE_HOT_BUDDY) && (&p->se == cfs_rq_of(&p->se)->next))
if (sched_feat(CACHE_HOT_BUDDY) &&
(&p->se == cfs_rq_of(&p->se)->next ||
&p->se == cfs_rq_of(&p->se)->last))
return 1;
if (p->sched_class != &fair_sched_class)
@@ -6832,15 +6834,17 @@ cpu_attach_domain(struct sched_domain *sd, struct root_domain *rd, int cpu)
struct sched_domain *tmp;
/* Remove the sched domains which do not contribute to scheduling. */
for (tmp = sd; tmp; tmp = tmp->parent) {
for (tmp = sd; tmp; ) {
struct sched_domain *parent = tmp->parent;
if (!parent)
break;
if (sd_parent_degenerate(tmp, parent)) {
tmp->parent = parent->parent;
if (parent->parent)
parent->parent->child = tmp;
}
} else
tmp = tmp->parent;
}
if (sd && sd_degenerate(sd)) {
@@ -7629,6 +7633,7 @@ static int __build_sched_domains(const cpumask_t *cpu_map,
error:
free_sched_groups(cpu_map, tmpmask);
SCHED_CPUMASK_FREE((void *)allmasks);
kfree(rd);
return -ENOMEM;
#endif
}