[PATCH RESEND 0/8] More stuff to charge to kmemcg

[Vladimir Davydov <vdavydov@virtuozzo.com>]

[resending with all relevant lists in Cc]

Hi,

This patch implements per kmemcg accounting of page tables (x86-only),
pipe buffers, and unix socket buffers.

Basically, this is v2 of my earlier attempt [1], addressing comments by
Andrew, namely: lack of comments to non-standard _mapcount usage, extra
overhead even when kmemcg is unused, wrong handling of stolen pipe
buffer pages.

Patches 1-3 are just cleanups that are not supposed to introduce any
functional changes. Patches 4 and 5 move charge/uncharge to generic page
allocator paths for the sake of accounting pipe and unix socket buffers.
Patches 5-7 make x86 page tables, pipe buffers, and unix socket buffers
accountable.

[1] http://lkml.kernel.org/r/%3Ccover.1443262808.git.vdavydov@parallels.com%3E

Thanks,

Vladimir Davydov (8):
  mm: remove pointless struct in struct page definition
  mm: clean up non-standard page->_mapcount users
  mm: memcontrol: cleanup kmem charge functions
  mm: charge/uncharge kmemcg from generic page allocator paths
  mm: memcontrol: teach uncharge_list to deal with kmem pages
  arch: x86: charge page tables to kmemcg
  pipe: account to kmemcg
  af_unix: charge buffers to kmemcg

 arch/x86/include/asm/pgalloc.h |  12 ++++-
 arch/x86/mm/pgtable.c          |  11 ++--
 fs/pipe.c                      |  32 ++++++++---
 include/linux/gfp.h            |  10 +---
 include/linux/memcontrol.h     | 103 +++---------------------------------
 include/linux/mm_types.h       |  73 ++++++++++++-------------
 include/linux/page-flags.h     |  78 +++++++++++++--------------
 kernel/fork.c                  |   6 +--
 mm/memcontrol.c                | 117 ++++++++++++++++++++++++++++-------------
 mm/page_alloc.c                |  63 +++++-----------------
 mm/slab.h                      |  16 ++++--
 mm/slab_common.c               |   2 +-
 mm/slub.c                      |   6 +--
 mm/vmalloc.c                   |   6 +--
 net/unix/af_unix.c             |   1 +
 scripts/tags.sh                |   3 ++
 16 files changed, 245 insertions(+), 294 deletions(-)

-- 
2.1.4

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