Move remote node draining out of slab allocators

[powerpc.git] / mm / slub.c

diff --git a/mm/slub.c b/mm/slub.c
index dbb2065..bd2efae 100644 (file)
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -2530,90 +2530,6 @@ static struct notifier_block __cpuinitdata slab_notifier =
 
 #endif
 
-#ifdef CONFIG_NUMA
-
-/*****************************************************************
- * Generic reaper used to support the page allocator
- * (the cpu slabs are reaped by a per slab workqueue).
- *
- * Maybe move this to the page allocator?
- ****************************************************************/
-
-static DEFINE_PER_CPU(unsigned long, reap_node);
-
-static void init_reap_node(int cpu)
-{
-       int node;
-
-       node = next_node(cpu_to_node(cpu), node_online_map);
-       if (node == MAX_NUMNODES)
-               node = first_node(node_online_map);
-
-       __get_cpu_var(reap_node) = node;
-}
-
-static void next_reap_node(void)
-{
-       int node = __get_cpu_var(reap_node);
-
-       /*
-        * Also drain per cpu pages on remote zones
-        */
-       if (node != numa_node_id())
-               drain_node_pages(node);
-
-       node = next_node(node, node_online_map);
-       if (unlikely(node >= MAX_NUMNODES))
-               node = first_node(node_online_map);
-       __get_cpu_var(reap_node) = node;
-}
-#else
-#define init_reap_node(cpu) do { } while (0)
-#define next_reap_node(void) do { } while (0)
-#endif
-
-#define REAPTIMEOUT_CPUC       (2*HZ)
-
-#ifdef CONFIG_SMP
-static DEFINE_PER_CPU(struct delayed_work, reap_work);
-
-static void cache_reap(struct work_struct *unused)
-{
-       next_reap_node();
-       schedule_delayed_work(&__get_cpu_var(reap_work),
-                                     REAPTIMEOUT_CPUC);
-}
-
-static void __devinit start_cpu_timer(int cpu)
-{
-       struct delayed_work *reap_work = &per_cpu(reap_work, cpu);
-
-       /*
-        * When this gets called from do_initcalls via cpucache_init(),
-        * init_workqueues() has already run, so keventd will be setup
-        * at that time.
-        */
-       if (keventd_up() && reap_work->work.func == NULL) {
-               init_reap_node(cpu);
-               INIT_DELAYED_WORK(reap_work, cache_reap);
-               schedule_delayed_work_on(cpu, reap_work, HZ + 3 * cpu);
-       }
-}
-
-static int __init cpucache_init(void)
-{
-       int cpu;
-
-       /*
-        * Register the timers that drain pcp pages and update vm statistics
-        */
-       for_each_online_cpu(cpu)
-               start_cpu_timer(cpu);
-       return 0;
-}
-__initcall(cpucache_init);
-#endif
-
 void *__kmalloc_track_caller(size_t size, gfp_t gfpflags, void *caller)
 {
        struct kmem_cache *s = get_slab(size, gfpflags);