[PATCH v2 0/4] memcg: introduce per-memcg proactive reclaim

From: Yosry Ahmed <yosryahmed@google.com>
To: Johannes Weiner <hannes@cmpxchg.org>,
	Michal Hocko <mhocko@kernel.org>,
	Shakeel Butt <shakeelb@google.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Roman Gushchin <roman.gushchin@linux.dev>
Cc: "David Rientjes" <rientjes@google.com>,
	"Tejun Heo" <tj@kernel.org>, "Zefan Li" <lizefan.x@bytedance.com>,
	"Jonathan Corbet" <corbet@lwn.net>,
	"Shuah Khan" <shuah@kernel.org>, "Yu Zhao" <yuzhao@google.com>,
	"Dave Hansen" <dave.hansen@linux.intel.com>,
	"Wei Xu" <weixugc@google.com>, "Greg Thelen" <gthelen@google.com>,
	"Chen Wandun" <chenwandun@huawei.com>,
	"Vaibhav Jain" <vaibhav@linux.ibm.com>,
	Huang@google.com, Ying <ying.huang@intel.com>,
	"Michal Koutný" <mkoutny@suse.com>,
	"Tim Chen" <tim.c.chen@linux.intel.com>,
	cgroups@vger.kernel.org, linux-doc@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	linux-kselftest@vger.kernel.org,
	"Yosry Ahmed" <yosryahmed@google.com>
Subject: [PATCH v2 0/4] memcg: introduce per-memcg proactive reclaim
Date: Thu,  7 Apr 2022 22:42:40 +0000	[thread overview]
Message-ID: <20220407224244.1374102-1-yosryahmed@google.com> (raw)

This patch series adds a memory.reclaim proactive reclaim interface.
The rationale behind the interface and how it works are in the first
patch.

---

Changes in V2:
- Add the interface to root as well.
- Added a selftest.
- Documented the interface as a nested-keyed interface, which makes
  adding optional arguments in the future easier (see doc updates in the
  first patch).
- Modified the commit message to reflect changes and add a timeout
  argument as a suggested possible extension
- Return -EAGAIN if the kernel fails to reclaim the full requested
  amount.

---

Shakeel Butt (1):
  memcg: introduce per-memcg reclaim interface

Yosry Ahmed (3):
  selftests: cgroup: return the errno of write() in cg_write() on
    failure
  selftests: cgroup: fix alloc_anon_noexit() instantly freeing memory
  selftests: cgroup: add a selftest for memory.reclaim

 Documentation/admin-guide/cgroup-v2.rst       | 21 +++++
 mm/memcontrol.c                               | 37 ++++++++
 tools/testing/selftests/cgroup/cgroup_util.c  | 11 ++-
 .../selftests/cgroup/test_memcontrol.c        | 94 ++++++++++++++++++-
 4 files changed, 156 insertions(+), 7 deletions(-)

-- 
2.35.1.1178.g4f1659d476-goog