The patch titled
Subject: mm: memcontrol: consolidate memory controller initialization
has been added to the -mm tree. Its filename is
mm-memcontrol-consolidate-memory-controller-initialization.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-memcontrol-consolidate-memory-controller-initialization.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-memcontrol-consolidate-memory-controller-initialization.patch
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------------------------------------------------------
From: Johannes Weiner <hannes@xxxxxxxxxxx>
Subject: mm: memcontrol: consolidate memory controller initialization
The initialization code for the per-cpu charge stock and the soft
limit tree is compact enough to inline it into mem_cgroup_init().
Signed-off-by: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxx>
Reviewed-by: Vladimir Davydov <vdavydov@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/memcontrol.c | 57 +++++++++++++++++++---------------------------
1 file changed, 24 insertions(+), 33 deletions(-)
diff -puN mm/memcontrol.c~mm-memcontrol-consolidate-memory-controller-initialization mm/memcontrol.c
--- a/mm/memcontrol.c~mm-memcontrol-consolidate-memory-controller-initialization
+++ a/mm/memcontrol.c
@@ -2163,17 +2163,6 @@ static void drain_local_stock(struct wor
clear_bit(FLUSHING_CACHED_CHARGE, &stock->flags);
}
-static void __init memcg_stock_init(void)
-{
- int cpu;
-
- for_each_possible_cpu(cpu) {
- struct memcg_stock_pcp *stock =
- &per_cpu(memcg_stock, cpu);
- INIT_WORK(&stock->work, drain_local_stock);
- }
-}
-
/*
* Cache charges(val) to local per_cpu area.
* This will be consumed by consume_stock() function, later.
@@ -4562,26 +4551,6 @@ struct mem_cgroup *parent_mem_cgroup(str
}
EXPORT_SYMBOL(parent_mem_cgroup);
-static void __init mem_cgroup_soft_limit_tree_init(void)
-{
- struct mem_cgroup_tree_per_node *rtpn;
- struct mem_cgroup_tree_per_zone *rtpz;
- int node, zone;
-
- for_each_node(node) {
- rtpn = kzalloc_node(sizeof(*rtpn), GFP_KERNEL, node);
- BUG_ON(!rtpn);
-
- soft_limit_tree.rb_tree_per_node[node] = rtpn;
-
- for (zone = 0; zone < MAX_NR_ZONES; zone++) {
- rtpz = &rtpn->rb_tree_per_zone[zone];
- rtpz->rb_root = RB_ROOT;
- spin_lock_init(&rtpz->lock);
- }
- }
-}
-
static struct cgroup_subsys_state * __ref
mem_cgroup_css_alloc(struct cgroup_subsys_state *parent_css)
{
@@ -5971,10 +5940,32 @@ void mem_cgroup_migrate(struct page *old
*/
static int __init mem_cgroup_init(void)
{
+ int cpu, nid;
+
hotcpu_notifier(memcg_cpu_hotplug_callback, 0);
+
+ for_each_possible_cpu(cpu)
+ INIT_WORK(&per_cpu_ptr(&memcg_stock, cpu)->work,
+ drain_local_stock);
+
+ for_each_node(nid) {
+ struct mem_cgroup_tree_per_node *rtpn;
+ int zone;
+
+ rtpn = kzalloc_node(sizeof(*rtpn), GFP_KERNEL, nid);
+
+ for (zone = 0; zone < MAX_NR_ZONES; zone++) {
+ struct mem_cgroup_tree_per_zone *rtpz;
+
+ rtpz = &rtpn->rb_tree_per_zone[zone];
+ rtpz->rb_root = RB_ROOT;
+ spin_lock_init(&rtpz->lock);
+ }
+ soft_limit_tree.rb_tree_per_node[nid] = rtpn;
+ }
+
enable_swap_cgroup();
- mem_cgroup_soft_limit_tree_init();
- memcg_stock_init();
+
return 0;
}
subsys_initcall(mem_cgroup_init);
_
Patches currently in -mm which might be from hannes@xxxxxxxxxxx are
mm-page_alloc-embed-oom-killing-naturally-into-allocation-slowpath.patch
mm-memory-remove-vm_file-check-on-shared-writable-vmas.patch
mm-memory-merge-shared-writable-dirtying-branches-in-do_wp_page.patch
mm-page_alloc-place-zone_id-check-before-vm_bug_on_page-check.patch
memcg-zap-__memcg_chargeuncharge_slab.patch
memcg-zap-memcg_name-argument-of-memcg_create_kmem_cache.patch
memcg-zap-memcg_slab_caches-and-memcg_slab_mutex.patch
mm-add-fields-for-compound-destructor-and-order-into-struct-page.patch
swap-remove-unused-mem_cgroup_uncharge_swapcache-declaration.patch
mm-memcontrol-track-move_lock-state-internally.patch
mm-memcontrol-track-move_lock-state-internally-fix.patch
mm-page_allocc-__alloc_pages_nodemask-dont-alter-arg-gfp_mask.patch
mm-vmscan-wake-up-all-pfmemalloc-throttled-processes-at-once.patch
mm-hugetlb-reduce-arch-dependent-code-around-follow_huge_.patch
mm-hugetlb-pmd_huge-returns-true-for-non-present-hugepage.patch
mm-hugetlb-take-page-table-lock-in-follow_huge_pmd.patch
mm-hugetlb-fix-getting-refcount-0-page-in-hugetlb_fault.patch
mm-hugetlb-add-migration-hwpoisoned-entry-check-in-hugetlb_change_protection.patch
mm-hugetlb-add-migration-entry-check-in-__unmap_hugepage_range.patch
mm-hugetlb-fix-suboptimal-migration-hwpoisoned-entry-check.patch
mm-hugetlb-cleanup-and-rename-is_hugetlb_entry_migrationhwpoisoned.patch
mm-set-page-pfmemalloc-in-prep_new_page.patch
mm-page_alloc-reduce-number-of-alloc_pages-functions-parameters.patch
mm-reduce-try_to_compact_pages-parameters.patch
mm-microoptimize-zonelist-operations.patch
list_lru-introduce-list_lru_shrink_countwalk.patch
fs-consolidate-nrfree_cached_objects-args-in-shrink_control.patch
vmscan-per-memory-cgroup-slab-shrinkers.patch
vmscan-per-memory-cgroup-slab-shrinkers-fix.patch
memcg-rename-some-cache-id-related-variables.patch
memcg-add-rwsem-to-synchronize-against-memcg_caches-arrays-relocation.patch
list_lru-get-rid-of-active_nodes.patch
list_lru-organize-all-list_lrus-to-list.patch
list_lru-introduce-per-memcg-lists.patch
fs-make-shrinker-memcg-aware.patch
vmscan-force-scan-offline-memory-cgroups.patch
memcg-add-build_bug_on-for-string-tables.patch
mm-page_counter-pull-1-handling-out-of-page_counter_memparse.patch
mm-memcontrol-default-hierarchy-interface-for-memory.patch
mm-memcontrol-default-hierarchy-interface-for-memory-checkpatch-fixes.patch
oom-add-helpers-for-setting-and-clearing-tif_memdie.patch
oom-thaw-the-oom-victim-if-it-is-frozen.patch
pm-convert-printk-to-pr_-equivalent.patch
sysrq-convert-printk-to-pr_-equivalent.patch
oom-pm-make-oom-detection-in-the-freezer-path-raceless.patch
mm-memcontrol-remove-unnecessary-soft-limit-tree-node-test.patch
mm-memcontrol-consolidate-memory-controller-initialization.patch
mm-memcontrol-consolidate-swap-controller-code.patch
fs-proc-task_mmu-show-page-size-in-proc-pid-numa_maps.patch
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