From patchwork Sat Mar 15 17:49:21 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shakeel Butt X-Patchwork-Id: 14018163 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id DCBD4C28B28 for ; Sat, 15 Mar 2025 17:49:43 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 2BDFA280002; Sat, 15 Mar 2025 13:49:41 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 26D49280001; Sat, 15 Mar 2025 13:49:41 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 15D65280002; Sat, 15 Mar 2025 13:49:41 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0017.hostedemail.com [216.40.44.17]) by kanga.kvack.org (Postfix) with ESMTP id ECDF9280001 for ; Sat, 15 Mar 2025 13:49:40 -0400 (EDT) Received: from smtpin16.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay06.hostedemail.com (Postfix) with ESMTP id 6C01AB6A0F for ; Sat, 15 Mar 2025 17:49:42 +0000 (UTC) X-FDA: 83224523004.16.EA81CCB Received: from out-177.mta0.migadu.com (out-177.mta0.migadu.com [91.218.175.177]) by imf16.hostedemail.com (Postfix) with ESMTP id 8E028180004 for ; Sat, 15 Mar 2025 17:49:40 +0000 (UTC) Authentication-Results: imf16.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b=ed6qPZeI; dmarc=pass (policy=none) header.from=linux.dev; spf=pass (imf16.hostedemail.com: domain of shakeel.butt@linux.dev designates 91.218.175.177 as permitted sender) smtp.mailfrom=shakeel.butt@linux.dev ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1742060981; a=rsa-sha256; cv=none; b=7tFmFOgOVQj5u72P0hlhn3JqJDe6AFN7zAJHNhIfMNmVIRK5dwlHBb6+gTNaoyb/FJN3Mq rnZJzDNVieKtr6rGC4VHS4xJa9DfiNGgmAG7nvbEQLLzmHi89ZG7ODpfn1I0JVcmptMJeg Q2FyPDx8R2rfS720wKJXx7tiRWOTgZw= ARC-Authentication-Results: i=1; imf16.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b=ed6qPZeI; dmarc=pass (policy=none) header.from=linux.dev; spf=pass (imf16.hostedemail.com: domain of shakeel.butt@linux.dev designates 91.218.175.177 as permitted sender) smtp.mailfrom=shakeel.butt@linux.dev ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1742060981; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:references:dkim-signature; bh=ejPqcS6XBEDW+h9V+Y9XW4HLbyin3ylhe+1eBvNG0us=; b=x3nUAy54aVCixNWBwkyVdgI+LWjxpDaZq4cg6ZJcT4erMeazXXlBj0MjhEjkwm+o/cLyac 1ksOIT9uXE2rgX8DSu9azlurM2pFZYwZXbVgBumbz+aVPQX9IQz4anIevgCg0P88LaVCYf GMGul+5jp5gimn2GJ8/18xgUK3zcy7A= X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1742060978; 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=ejPqcS6XBEDW+h9V+Y9XW4HLbyin3ylhe+1eBvNG0us=; b=ed6qPZeIiPSadtsqQbti2BDAvMuGVp+62JrK8640TmWLwWGFfew+bL/75pqV9ke0yiBbXS Fo+ndr5s/72UPECrjGjiTRietDubx7nZAtVIxRb0edimC5YSM1+foZr/mmQBiUBOhuJnV8 hkDYkWeeSM59NTfVL3C1eQlUo3DIIEg= 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: [PATCH 0/9] memcg: cleanup per-cpu stock Date: Sat, 15 Mar 2025 10:49:21 -0700 Message-ID: <20250315174930.1769599-1-shakeel.butt@linux.dev> MIME-Version: 1.0 X-Migadu-Flow: FLOW_OUT X-Stat-Signature: cuch5meprcnos517ujnx6c6b4ryzzrdx X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: 8E028180004 X-Rspam-User: X-HE-Tag: 1742060980-654198 X-HE-Meta: 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 b1pp5Orr 42DDwHqD0NL7jmezKWYoiAVYMh4m9HIxrbXaHsSloNq2GROdMPx1XEUMh/hH39PBXdZby4TA8B9ag2N7eZh8JRRhvVp2oqsMZEb/1etyc0ysG8MulxDvQcPFvXhSKLXlQoyAlqApbyRW+zSktkBFcpPyqnYG43SZuXvJUZcmzZ7EsrzY70gVW705X7kx/rJk+IDVe X-Bogosity: Ham, tests=bogofilter, spamicity=0.000062, 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 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(-)