From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-172.mta1.migadu.com (out-172.mta1.migadu.com [95.215.58.172]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id ED2EA78C71 for ; Fri, 28 Jun 2024 21:03:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.215.58.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719608633; cv=none; b=DOs0hPmc0JopFvhLu+EwH66VQMk6+syc1EFYgjutvh4lvIeerFA01LdB72H6HBuzE9WHrf8WEuq9tsPgCUkxf5vMmCGk39V4vqBWcL8zgBzaZjz6mbc7sLS7AKyLOHlWLXOlkq0bUyVe6gLuh1LJNFlg630lZw930vsOiYMmDEM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719608633; c=relaxed/simple; bh=a0v/Aw7khz0nzNZ6SxQ9nxurOL28C0qwtBPU6ZP9CPo=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=Iz01DX3XClh0vm8+dqYYXnDLjFljZWUaTbzLD7JUPWZeGvuu/qtG31yN6fk0srURcrr2rENyfDIlrenxjYf5fvWwPz+2i9MP5iu7ybZYzVF5sEux296JjlykbNGMVFEOw3DvLl+LaF7R3DGC/dCSbM4WS8WljglbH+VALP7M/8Q= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=cgwe8JnE; arc=none smtp.client-ip=95.215.58.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="cgwe8JnE" X-Envelope-To: akpm@linux-foundation.org DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1719608628; 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=UgbnkHx82nflf7HlsUPTfmPWNgaY3AQgPh+QDBth92w=; b=cgwe8JnEU4blDvdwwiVvVRbGuFQkvFfgcEO1UxQSS9ooOq3Ori39dsZ1s5pn8Ilfs30eK9 vL3UUD1o0tttKe1k/v2eMlJERnS1DGPzhvtsOHUXPtFu9QXLfdLRbdPMjQNaWpUhsgBXym u2LWNo2rvzoJpA6KVXLB5tYp3OUYSi4= X-Envelope-To: linux-mm@kvack.org X-Envelope-To: linux-kernel@vger.kernel.org X-Envelope-To: hannes@cmpxchg.org X-Envelope-To: mhocko@kernel.org X-Envelope-To: shakeel.butt@linux.dev X-Envelope-To: muchun.song@linux.dev X-Envelope-To: roman.gushchin@linux.dev X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Roman Gushchin To: Andrew Morton Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Johannes Weiner , Michal Hocko , Shakeel Butt , Muchun Song , Roman Gushchin Subject: [PATCH v1 0/9] mm: memcg: put cgroup v1-specific memcg data under CONFIG_MEMCG_V1 Date: Fri, 28 Jun 2024 21:03:08 +0000 Message-ID: <20240628210317.272856-1-roman.gushchin@linux.dev> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT This patchset puts all cgroup v1's members of struct mem_cgroup, struct mem_cgroup_per_node and struct task_struct under the CONFIG_MEMCG_V1 config option. If cgroup v1 support is not required (and it's true for many cgroup users these days), it allows to save a bit of memory and compile out some code, some of which is on relatively hot paths. It also structures the code a bit better by grouping cgroup v1-specific stuff in one place. Roman Gushchin (9): mm: memcg: move memcg_account_kmem() to memcontrol-v1.c mm: memcg: factor out legacy socket memory accounting code mm: memcg: guard cgroup v1-specific code in mem_cgroup_print_oom_meminfo() mm: memcg: gather memcg1-specific fields initialization in memcg1_memcg_init() mm: memcg: guard memcg1-specific fields accesses in mm/memcontrol.c mm: memcg: put memcg1-specific struct mem_cgroup's members under CONFIG_MEMCG_V1 mm: memcg: guard memcg1-specific members of struct mem_cgroup_per_node mm: memcg: put struct task_struct::memcg_in_oom under CONFIG_MEMCG_V1 mm: memcg: put struct task_struct::in_user_fault under CONFIG_MEMCG_V1 include/linux/memcontrol.h | 147 +++++++++++++++++++------------------ include/linux/sched.h | 6 +- mm/memcontrol-v1.c | 38 ++++++++++ mm/memcontrol-v1.h | 20 +++++ mm/memcontrol.c | 70 +++++++----------- 5 files changed, 164 insertions(+), 117 deletions(-) -- 2.45.2.803.g4e1b14247a-goog