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