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-rw-r--r--kernel/sched.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/kernel/sched.c b/kernel/sched.c
index 3231e199742..506cb8147c7 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -6966,7 +6966,6 @@ sd_init_##type(struct sched_domain_topology_level *tl, int cpu) \
{ \
struct sched_domain *sd = *per_cpu_ptr(tl->data.sd, cpu); \
*sd = SD_##type##_INIT; \
- sd->level = SD_LV_##type; \
SD_INIT_NAME(sd, type); \
sd->private = &tl->data; \
return sd; \
@@ -6988,13 +6987,14 @@ SD_INIT_FUNC(CPU)
#endif
static int default_relax_domain_level = -1;
+int sched_domain_level_max;
static int __init setup_relax_domain_level(char *str)
{
unsigned long val;
val = simple_strtoul(str, NULL, 0);
- if (val < SD_LV_MAX)
+ if (val < sched_domain_level_max)
default_relax_domain_level = val;
return 1;
@@ -7173,8 +7173,11 @@ struct sched_domain *build_sched_domain(struct sched_domain_topology_level *tl,
set_domain_attribute(sd, attr);
cpumask_and(sched_domain_span(sd), cpu_map, tl->mask(cpu));
- if (child)
+ if (child) {
+ sd->level = child->level + 1;
+ sched_domain_level_max = max(sched_domain_level_max, sd->level);
child->parent = sd;
+ }
sd->child = child;
return sd;