Merge branch 'akpm' (patches from Andrew Morton)

Merge a bunch of fixes from Andrew Morton.

* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
  fs/proc/task_mmu.c: fix buffer overflow in add_page_map()
  arch: *: Kconfig: add "kernel/Kconfig.freezer" to "arch/*/Kconfig"
  ocfs2: fix null pointer dereference in ocfs2_dir_foreach_blk_id()
  x86 get_unmapped_area(): use proper mmap base for bottom-up direction
  ocfs2: fix NULL pointer dereference in ocfs2_duplicate_clusters_by_page
  ocfs2: Revert 40bd62e to avoid regression in extended allocation
  drivers/rtc/rtc-stmp3xxx.c: provide timeout for potentially endless loop polling a HW bit
  hugetlb: fix lockdep splat caused by pmd sharing
  aoe: adjust ref of head for compound page tails
  microblaze: fix clone syscall
  mm: save soft-dirty bits on file pages
  mm: save soft-dirty bits on swapped pages
  memcg: don't initialize kmem-cache destroying work for root caches

1 files changed, 2 insertions, 2 deletions

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index c290a1cf3862..c5792a5d87ce 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -3195,11 +3195,11 @@ int memcg_register_cache(struct mem_cgroup *memcg, struct kmem_cache *s,
         if (!s->memcg_params)
                 return -ENOMEM;
 
-        INIT_WORK(&s->memcg_params->destroy,
-                        kmem_cache_destroy_work_func);
         if (memcg) {
                 s->memcg_params->memcg = memcg;
                 s->memcg_params->root_cache = root_cache;
+                INIT_WORK(&s->memcg_params->destroy,
+                                kmem_cache_destroy_work_func);
         } else
                 s->memcg_params->is_root_cache = true;