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| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2011-04-07 14:10:04 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-04-11 14:09:32 +0200 |
| commit | 60495e7760d8ee364695006af37309b0755e0e17 (patch) | |
| tree | 1c842c0797a6a6b0066b18f296661fcf77cd0d0a /kernel | |
| parent | 54ab4ff4316eb329d2c1acc110fbc623d2966931 (diff) | |
| download | blackbird-op-linux-60495e7760d8ee364695006af37309b0755e0e17.tar.gz blackbird-op-linux-60495e7760d8ee364695006af37309b0755e0e17.zip | |
sched: Dynamic sched_domain::level
Remove the SD_LV_ enum and use dynamic level assignments.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Nick Piggin <npiggin@kernel.dk>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Link: http://lkml.kernel.org/r/20110407122942.969433965@chello.nl
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/cpuset.c | 2 | ||||
| -rw-r--r-- | kernel/sched.c | 9 |
2 files changed, 7 insertions, 4 deletions
diff --git a/kernel/cpuset.c b/kernel/cpuset.c index 33eee16addb8..2bb8c2e98fff 100644 --- a/kernel/cpuset.c +++ b/kernel/cpuset.c @@ -1159,7 +1159,7 @@ int current_cpuset_is_being_rebound(void) static int update_relax_domain_level(struct cpuset *cs, s64 val) { #ifdef CONFIG_SMP - if (val < -1 || val >= SD_LV_MAX) + if (val < -1 || val >= sched_domain_level_max) return -EINVAL; #endif diff --git a/kernel/sched.c b/kernel/sched.c index 3231e1997426..506cb8147c70 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; |
