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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-04-28 06:37:00 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-04-28 06:37:00 +0400 |
| commit | daae677f56187e83ddc81cf8e45bbcc236e0e661 (patch) | |
| tree | ed4dbd2383c4096f6ef00f57fd4635f5b045a6b1 /kernel/sched/core.c | |
| parent | 06fc5d3d248bdae213aed9efe3a262acf10acd94 (diff) | |
| parent | fb2cf2c660971bea0ad86a9a5c19ad39eab61344 (diff) | |
| download | linux-daae677f56187e83ddc81cf8e45bbcc236e0e661.tar.xz | |
Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Ingo Molnar.
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched: Fix OOPS when build_sched_domains() percpu allocation fails
sched: Fix more load-balancing fallout
Diffstat (limited to 'kernel/sched/core.c')
| -rw-r--r-- | kernel/sched/core.c | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 4603b9d8f30a..0533a688ce22 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -6405,16 +6405,26 @@ static void __sdt_free(const struct cpumask *cpu_map) struct sd_data *sdd = &tl->data; for_each_cpu(j, cpu_map) { - struct sched_domain *sd = *per_cpu_ptr(sdd->sd, j); - if (sd && (sd->flags & SD_OVERLAP)) - free_sched_groups(sd->groups, 0); - kfree(*per_cpu_ptr(sdd->sd, j)); - kfree(*per_cpu_ptr(sdd->sg, j)); - kfree(*per_cpu_ptr(sdd->sgp, j)); + struct sched_domain *sd; + + if (sdd->sd) { + sd = *per_cpu_ptr(sdd->sd, j); + if (sd && (sd->flags & SD_OVERLAP)) + free_sched_groups(sd->groups, 0); + kfree(*per_cpu_ptr(sdd->sd, j)); + } + + if (sdd->sg) + kfree(*per_cpu_ptr(sdd->sg, j)); + if (sdd->sgp) + kfree(*per_cpu_ptr(sdd->sgp, j)); } free_percpu(sdd->sd); + sdd->sd = NULL; free_percpu(sdd->sg); + sdd->sg = NULL; free_percpu(sdd->sgp); + sdd->sgp = NULL; } } |