diff options
Diffstat (limited to 'mm/migrate.c')
| -rw-r--r-- | mm/migrate.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/mm/migrate.c b/mm/migrate.c index f97d724b8fc0..77592288fbc0 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -2104,7 +2104,6 @@ out: return 0; } #endif /* CONFIG_NUMA_BALANCING */ -#endif /* CONFIG_NUMA */ /* * node_demotion[] example: @@ -2238,7 +2237,6 @@ out: return target; } -#if defined(CONFIG_HOTPLUG_CPU) /* Disable reclaim-based migration. */ static void __disable_all_migrate_targets(void) { @@ -2431,6 +2429,7 @@ void set_migration_target_nodes(void) * __set_migration_target_nodes() can be used as opposed to * set_migration_target_nodes(). */ +#ifdef CONFIG_MEMORY_HOTPLUG static int __meminit migrate_on_reclaim_callback(struct notifier_block *self, unsigned long action, void *_arg) { @@ -2476,6 +2475,7 @@ static int __meminit migrate_on_reclaim_callback(struct notifier_block *self, return notifier_from_errno(0); } +#endif void __init migrate_on_reclaim_init(void) { @@ -2483,8 +2483,9 @@ void __init migrate_on_reclaim_init(void) sizeof(struct demotion_nodes), GFP_KERNEL); WARN_ON(!node_demotion); - +#ifdef CONFIG_MEMORY_HOTPLUG hotplug_memory_notifier(migrate_on_reclaim_callback, 100); +#endif /* * At this point, all numa nodes with memory/CPus have their state * properly set, so we can build the demotion order now. @@ -2495,7 +2496,6 @@ void __init migrate_on_reclaim_init(void) set_migration_target_nodes(); cpus_read_unlock(); } -#endif /* CONFIG_HOTPLUG_CPU */ bool numa_demotion_enabled = false; @@ -2556,4 +2556,5 @@ delete_obj: return err; } subsys_initcall(numa_init_sysfs); -#endif +#endif /* CONFIG_SYSFS */ +#endif /* CONFIG_NUMA */ |