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

From: Vladimir Davydov
Date: Mon May 23 2016 - 09:53:30 EST


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@xxxxxxxxxxxxx%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 | 27 ++++++++--
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, 241 insertions(+), 293 deletions(-)

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2.1.4