]> git.proxmox.com Git - mirror_ubuntu-eoan-kernel.git/commit
vmscan: per memory cgroup slab shrinkers
authorVladimir Davydov <vdavydov@parallels.com>
Thu, 12 Feb 2015 22:58:54 +0000 (14:58 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Fri, 13 Feb 2015 02:54:09 +0000 (18:54 -0800)
commitcb731d6c62bbc2f890b08ea3d0386d5dad887326
tree1c597a1018d8258585aa65b3c4872a9c5d177d46
parent4101b624352fddb5ed72e7a1b6f8be8cffaa20fa
vmscan: per memory cgroup slab shrinkers

This patch adds SHRINKER_MEMCG_AWARE flag.  If a shrinker has this flag
set, it will be called per memory cgroup.  The memory cgroup to scan
objects from is passed in shrink_control->memcg.  If the memory cgroup
is NULL, a memcg aware shrinker is supposed to scan objects from the
global list.  Unaware shrinkers are only called on global pressure with
memcg=NULL.

Signed-off-by: Vladimir Davydov <vdavydov@parallels.com>
Cc: Dave Chinner <david@fromorbit.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@suse.cz>
Cc: Greg Thelen <gthelen@google.com>
Cc: Glauber Costa <glommer@gmail.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
fs/drop_caches.c
include/linux/memcontrol.h
include/linux/mm.h
include/linux/shrinker.h
mm/memcontrol.c
mm/memory-failure.c
mm/vmscan.c