[PATCH 0/9] memcg: cleanup per-cpu stock

From: Shakeel Butt
Date: Sat Mar 15 2025 - 13:50:08 EST


This is a cleanup series which is trying to simplify the memcg per-cpu
stock code, particularly it tries to remove unnecessary dependencies on
local_lock of per-cpu memcg stock. The eight patch from Vlastimil
optimizes the charge path by combining the charging and accounting.

This series is based on next-20250314 plus two following patches:

Link: https://lore.kernel.org/all/20250312222552.3284173-1-shakeel.butt@xxxxxxxxx/
Link: https://lore.kernel.org/all/20250313054812.2185900-1-shakeel.butt@xxxxxxxxx/

Shakeel Butt (8):
memcg: remove root memcg check from refill_stock
memcg: decouple drain_obj_stock from local stock
memcg: introduce memcg_uncharge
memcg: manually inline __refill_stock
memcg: no refilling stock from obj_cgroup_release
memcg: do obj_cgroup_put inside drain_obj_stock
memcg: use __mod_memcg_state in drain_obj_stock
memcg: manually inline replace_stock_objcg

Vlastimil Babka (1):
memcg: combine slab obj stock charging and accounting

mm/memcontrol.c | 195 +++++++++++++++++++++++-------------------------
1 file changed, 95 insertions(+), 100 deletions(-)

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2.47.1