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

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Message-ID: <5fyk3ek22txixx74d7ww3tzrpejazhrsdmu4p26nhzc5kbf2wu@4huj4lohqbmb>
Date: Wed, 2 Apr 2025 13:40:38 -0700
From: Shakeel Butt <shakeel.butt@...ux.dev>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: Johannes Weiner <hannes@...xchg.org>, Michal Hocko <mhocko@...nel.org>, 
	Roman Gushchin <roman.gushchin@...ux.dev>, Muchun Song <muchun.song@...ux.dev>, 
	Vlastimil Babka <vbabka@...e.cz>, Sebastian Andrzej Siewior <bigeasy@...utronix.de>, 
	linux-mm@...ck.org, cgroups@...r.kernel.org, linux-kernel@...r.kernel.org, 
	Meta kernel team <kernel-team@...a.com>
Subject: Re: [PATCH 0/9] memcg: cleanup per-cpu stock

On Sat, Mar 15, 2025 at 10:49:21AM -0700, Shakeel Butt wrote:
> 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@linux.dev/
> Link: https://lore.kernel.org/all/20250313054812.2185900-1-shakeel.butt@linux.dev/
> 
> 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(-)
> 

I am waiting for [1] to merge into linus tree and then I will rebase and
resend this series.

[1] https://lore.kernel.org/all/20250401205245.70838-1-alexei.starovoitov@gmail.com/