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| author |   Ingo Molnar <mingo@elte.hu> | 2008-07-14 12:19:19 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-14 12:19:19 +0200 |
| commit | 873a6ed6288b6c2c0d2cc84d3b2bf2fab9ba0181 (patch) | |
| tree | e0749eee70ce3ca29d62bb3b67248c87a97ec2b7 /kernel/cpuset.c | |
| parent | Merge branch 'sched/clock' into sched/devel (diff) | |
| parent | Linux 2.6.26 (diff) | |
| download | linux-dev-873a6ed6288b6c2c0d2cc84d3b2bf2fab9ba0181.tar.xz linux-dev-873a6ed6288b6c2c0d2cc84d3b2bf2fab9ba0181.zip | |
Merge commit 'v2.6.26' into sched/devel
Diffstat (limited to 'kernel/cpuset.c')
| -rw-r--r-- | kernel/cpuset.c | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/kernel/cpuset.c b/kernel/cpuset.c index 64a05da9bc4c..459d601947a8 100644 --- a/kernel/cpuset.c +++ b/kernel/cpuset.c @@ -1894,7 +1894,7 @@ static void scan_for_empty_cpusets(const struct cpuset *root) * in order to minimize text size. */ -static void common_cpu_mem_hotplug_unplug(void) +static void common_cpu_mem_hotplug_unplug(int rebuild_sd) { cgroup_lock(); @@ -1906,7 +1906,8 @@ static void common_cpu_mem_hotplug_unplug(void) * Scheduler destroys domains on hotplug events. * Rebuild them based on the current settings. */ - rebuild_sched_domains(); + if (rebuild_sd) + rebuild_sched_domains(); cgroup_unlock(); } @@ -1924,11 +1925,22 @@ static void common_cpu_mem_hotplug_unplug(void) static int cpuset_handle_cpuhp(struct notifier_block *unused_nb, unsigned long phase, void *unused_cpu) { - if (phase == CPU_DYING || phase == CPU_DYING_FROZEN) + switch (phase) { + case CPU_UP_CANCELED: + case CPU_UP_CANCELED_FROZEN: + case CPU_DOWN_FAILED: + case CPU_DOWN_FAILED_FROZEN: + case CPU_ONLINE: + case CPU_ONLINE_FROZEN: + case CPU_DEAD: + case CPU_DEAD_FROZEN: + common_cpu_mem_hotplug_unplug(1); + break; + default: return NOTIFY_DONE; + } - common_cpu_mem_hotplug_unplug(); - return 0; + return NOTIFY_OK; } #ifdef CONFIG_MEMORY_HOTPLUG @@ -1941,7 +1953,7 @@ static int cpuset_handle_cpuhp(struct notifier_block *unused_nb, void cpuset_track_online_nodes(void) { - common_cpu_mem_hotplug_unplug(); + common_cpu_mem_hotplug_unplug(0); } #endif |