[PATCHSET] mm, memcontrol: Implement memory.swap.events

[Tejun Heo <tj@kernel.org>]

Hello,

This patchset implements memory.swap.events which contains max and
fail events so that userland can monitor and respond to swap running
out.  It contains the following two patches.

 0001-mm-memcontrol-Move-swap-charge-handling-into-get_swa.patch
 0002-mm-memcontrol-Implement-memory.swap.events.patch

This patchset is on top of the "cgroup/for-4.17: Make cgroup_rstat
available to controllers" patchset[1] and "mm, memcontrol: Make
cgroup_rstat available to controllers" patchset[2] and also available
in the following git branch.

 git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git review-memcg-swap.events

diffstat follows.

 Documentation/cgroup-v2.txt |   16 ++++++++++++++++
 include/linux/memcontrol.h  |    5 +++++
 mm/memcontrol.c             |   25 +++++++++++++++++++++++++
 mm/shmem.c                  |    4 ----
 mm/swap_slots.c             |   10 +++++++---
 mm/swap_state.c             |    3 ---
 6 files changed, 53 insertions(+), 10 deletions(-)

Thanks.

--
tejun

[1] http://lkml.kernel.org/r/20180323231313.1254142-1-tj@kernel.org
[2] http://lkml.kernel.org/r/20180324160901.512135-1-tj@kernel.org