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authorPaul Mackerras <paulus@samba.org>2008-06-30 10:16:50 +1000
committerPaul Mackerras <paulus@samba.org>2008-06-30 10:16:50 +1000
commite9a4b6a3f6592862a67837e80aad3f50468857a6 (patch)
tree087420cf91ac922c7e99757c4490a605ec7b10f2 /kernel/cpuset.c
parent441dbb500b4344a8e3125e5aabab4f9dbf72514f (diff)
parent1702b52092e9a6d05398d3f9581ddc050ef00d06 (diff)
Merge branch 'linux-2.6'
Diffstat (limited to 'kernel/cpuset.c')
-rw-r--r--kernel/cpuset.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/kernel/cpuset.c b/kernel/cpuset.c
index 039baa4cd90..9fceb97e989 100644
--- a/kernel/cpuset.c
+++ b/kernel/cpuset.c
@@ -1037,8 +1037,8 @@ int current_cpuset_is_being_rebound(void)
static int update_relax_domain_level(struct cpuset *cs, s64 val)
{
- if ((int)val < 0)
- val = -1;
+ if (val < -1 || val >= SD_LV_MAX)
+ return -EINVAL;
if (val != cs->relax_domain_level) {
cs->relax_domain_level = val;
@@ -1890,6 +1890,12 @@ static void common_cpu_mem_hotplug_unplug(void)
top_cpuset.mems_allowed = node_states[N_HIGH_MEMORY];
scan_for_empty_cpusets(&top_cpuset);
+ /*
+ * Scheduler destroys domains on hotplug events.
+ * Rebuild them based on the current settings.
+ */
+ rebuild_sched_domains();
+
cgroup_unlock();
}