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DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1741932925; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=Eu8GFcaNlIm/mZEbW8LGnu3Cvr98HXwjng+s1ev2tdA=; b=MIKlJBrB40QTtUSONJTitPPBat/UxVCt6AJhw42tzhlwbf+dv3Iw4gVkNywouvZ9Dfhmnh JQYXq/RwhmB5p82urP5fgbyFl5xJiq4bFgminvU++NlVXtxYPCRSJ5TLyHTmXvImXOO99F vGwt47IJUbrmTfTMmCdbo4qKKDE9aTc= From: Shakeel Butt To: Andrew Morton Cc: Johannes Weiner , Michal Hocko , Roman Gushchin , Muchun Song , Vlastimil Babka , Sebastian Andrzej Siewior , linux-mm@kvack.org, cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, Meta kernel team Subject: [RFC PATCH 00/10] memcg: stock code cleanups Date: Thu, 13 Mar 2025 23:15:01 -0700 Message-ID: <20250314061511.1308152-1-shakeel.butt@linux.dev> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT X-Rspam-User: X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: A05CE120008 X-Stat-Signature: 1faquocowr4wzq1zt3args45macsmegj X-HE-Tag: 1741932929-247285 X-HE-Meta: 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 gbdGr+XD I6nrob53MK21Wl/1X7PEqa+5rkKEpo/ra8zOzxFUXWMn6mUy0+HpCceSRpkoPUkJn9uJw+O0yPfoBdp8eeURkh/zneY7BAIVzn7FWUBCZDFjMlGGUgytywopz+DJBNEkecj7TevnOGaS0h7pfquodJDkTwG8gl8DNbx9DiZgCEgAyoIvfMx5tFm5qhV2g8VUmy7Ah X-Bogosity: Ham, tests=bogofilter, spamicity=0.000029, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: This is a cleanup series (first 7 patches) is trying to simplify the memcg stock code, particularly it tries to remove unnecessary dependencies. The last 3 patches are a prototype to make per-cpu memcg stock work without disabling irqs. My plan is to send out the first 7 cleanup patches separately for the next release window and iterate more on the last 3 patches plus add functionality for multiple memcgs. This series is based on next-20250313 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/ to simply the memcg stock code Shakeel Butt (10): 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: assert in_task for couple of local_lock holders memcg: trylock stock for objcg memcg: no more irq disabling for stock locks mm/memcontrol.c | 201 +++++++++++++++++++++++++++--------------------- 1 file changed, 112 insertions(+), 89 deletions(-) -- 2.47.1