Merge branch 'akpm' (patches from Andrew)

Merge misc updates from Andrew Morton:

 - large KASAN update to use arm's "software tag-based mode"

 - a few misc things

 - sh updates

 - ocfs2 updates

 - just about all of MM

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (167 commits)
  kernel/fork.c: mark 'stack_vm_area' with __maybe_unused
  memcg, oom: notify on oom killer invocation from the charge path
  mm, swap: fix swapoff with KSM pages
  include/linux/gfp.h: fix typo
  mm/hmm: fix memremap.h, move dev_page_fault_t callback to hmm
  hugetlbfs: Use i_mmap_rwsem to fix page fault/truncate race
  hugetlbfs: use i_mmap_rwsem for more pmd sharing synchronization
  memory_hotplug: add missing newlines to debugging output
  mm: remove __hugepage_set_anon_rmap()
  include/linux/vmstat.h: remove unused page state adjustment macro
  mm/page_alloc.c: allow error injection
  mm: migrate: drop unused argument of migrate_page_move_mapping()
  blkdev: avoid migration stalls for blkdev pages
  mm: migrate: provide buffer_migrate_page_norefs()
  mm: migrate: move migrate_page_lock_buffers()
  mm: migrate: lock buffers before migrate_page_move_mapping()
  mm: migration: factor out code to compute expected number of page references
  mm, page_alloc: enable pcpu_drain with zone capability
  kmemleak: add config to select auto scan
  mm/page_alloc.c: don't call kasan_free_pages() at deferred mem init
  ...

1 files changed, 3 insertions, 5 deletions

diff --git a/lib/debugobjects.c b/lib/debugobjects.c
index 14afeeb7d6ef..55437fd5128b 100644
--- a/lib/debugobjects.c
+++ b/lib/debugobjects.c
@@ -1131,11 +1131,10 @@ static int __init debug_objects_replace_static_objects(void)
         }
 
         /*
-         * When debug_objects_mem_init() is called we know that only
-         * one CPU is up, so disabling interrupts is enough
-         * protection. This avoids the lockdep hell of lock ordering.
+         * debug_objects_mem_init() is now called early that only one CPU is up
+         * and interrupts have been disabled, so it is safe to replace the
+         * active object references.
          */
-        local_irq_disable();
 
         /* Remove the statically allocated objects from the pool */
         hlist_for_each_entry_safe(obj, tmp, &obj_pool, node)
@@ -1156,7 +1155,6 @@ static int __init debug_objects_replace_static_objects(void)
                         cnt++;
                 }
         }
-        local_irq_enable();
 
         pr_debug("%d of %d active objects replaced\n",
                  cnt, obj_pool_used);