• Linus Torvalds's avatar
    Merge branch 'akpm' (patches from Andrew) · 104e2a6f
    Linus Torvalds authored
    Merge slub bulk allocator updates from Andrew Morton:
     "This missed the merge window because I was waiting for some repairs to
      come in.  Nothing actually uses the bulk allocator yet and the changes
      to other code paths are pretty small.  And the net guys are waiting
      for this so they can start merging the client code"
    
    More comments from Jesper Dangaard Brouer:
     "The kmem_cache_alloc_bulk() call, in mm/slub.c, were included in
      previous kernel.  The present version contains a bug.  Vladimir
      Davydov noticed it contained a bug, when kernel is compiled with
      CONFIG_MEMCG_KMEM (see commit 03ec0ed5: "slub: fix kmem cgroup
      bug in kmem_cache_alloc_bulk").  Plus the mem cgroup counterpart in
      kmem_cache_free_bulk() were missing (see commit 03374518 "slub:
      add missing kmem cgroup support to kmem_cache_free_bulk").
    
      I don't consider the fix stable-material because there are no in-tree
      users of the API.
    
      But with known bugs (for memcg) I cannot start using the API in the
      net-tree"
    
    * emailed patches from Andrew Morton <akpm@linux-foundation.org>:
      slab/slub: adjust kmem_cache_alloc_bulk API
      slub: add missing kmem cgroup support to kmem_cache_free_bulk
      slub: fix kmem cgroup bug in kmem_cache_alloc_bulk
      slub: optimize bulk slowpath free by detached freelist
      slub: support for bulk free with SLUB freelists
    104e2a6f
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