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sched: Dynamic sched_domain::level

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Remove the SD_LV_ enum and use dynamic level assignments.

Signed-off-by: Peter Zijlstra <[email protected]>
Cc: Mike Galbraith <[email protected]>
Cc: Nick Piggin <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Andrew Morton <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
This commit is contained in:
Peter Zijlstra 2011-04-07 14:10:04 +02:00 • committed by Ingo Molnar
commit 60495e7760
3 changed files with 10 additions and 24 deletions
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9
kernel/sched.c
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@ -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;