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authorAndrew Morton <akpm@linux-foundation.org>2013-04-29 15:08:08 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-04-29 15:54:36 -0700
commitd8f10cb3d375c34ad668f32ca6e4661ad1fc23b2 (patch)
tree37e8289b0f5d28a8ca608c7ee3fac5b5bb8a0e15 /kernel/cpuset.c
parent3c743a7f7b682dedef188664514c0ea82e232742 (diff)
kernel/cpuset.c: use register_hotmemory_notifier()
Use the new interface, remove one ifdef. No code size changes. We could/should have been using __meminit/__meminitdata here but there's now no point in doing that because all this code is elided at compile time. Cc: Li Zefan <lizefan@huawei.com> Cc: Tejun Heo <tj@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/cpuset.c')
-rw-r--r--kernel/cpuset.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/kernel/cpuset.c b/kernel/cpuset.c
index 4f9dfe43ecb..334d983a36b 100644
--- a/kernel/cpuset.c
+++ b/kernel/cpuset.c
@@ -2251,7 +2251,6 @@ void cpuset_update_active_cpus(bool cpu_online)
schedule_work(&cpuset_hotplug_work);
}
-#ifdef CONFIG_MEMORY_HOTPLUG
/*
* Keep top_cpuset.mems_allowed tracking node_states[N_MEMORY].
* Call this routine anytime after node_states[N_MEMORY] changes.
@@ -2263,20 +2262,23 @@ static int cpuset_track_online_nodes(struct notifier_block *self,
schedule_work(&cpuset_hotplug_work);
return NOTIFY_OK;
}
-#endif
+
+static struct notifier_block cpuset_track_online_nodes_nb = {
+ .notifier_call = cpuset_track_online_nodes,
+ .priority = 10, /* ??! */
+};
/**
* cpuset_init_smp - initialize cpus_allowed
*
* Description: Finish top cpuset after cpu, node maps are initialized
- **/
-
+ */
void __init cpuset_init_smp(void)
{
cpumask_copy(top_cpuset.cpus_allowed, cpu_active_mask);
top_cpuset.mems_allowed = node_states[N_MEMORY];
- hotplug_memory_notifier(cpuset_track_online_nodes, 10);
+ register_hotmemory_notifier(&cpuset_track_online_nodes_nb);
cpuset_propagate_hotplug_wq =
alloc_ordered_workqueue("cpuset_hotplug", 0);