From patchwork Fri Nov 10 08:20:45 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Rokosov X-Patchwork-Id: 13452208 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (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 5428CCA44; Fri, 10 Nov 2023 08:20:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=salutedevices.com header.i=@salutedevices.com header.b="DcVrmpnO" Received: from mx1.sberdevices.ru (mx1.sberdevices.ru [37.18.73.165]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7808893E8; Fri, 10 Nov 2023 00:20:56 -0800 (PST) Received: from p-infra-ksmg-sc-msk01 (localhost [127.0.0.1]) by mx1.sberdevices.ru (Postfix) with ESMTP id 1C6C3100056; Fri, 10 Nov 2023 11:20:55 +0300 (MSK) DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.sberdevices.ru 1C6C3100056 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=salutedevices.com; s=mail; t=1699604455; bh=dVQtaNyPN9nUWE3NWOdgUjTqXOPqcFthjjE7iq861T4=; h=From:To:Subject:Date:Message-ID:MIME-Version:Content-Type:From; b=DcVrmpnOlw1zROFqaS/aS69Wnasdnyfdch2TbHfxi8HEk4dudUsr7yKxXHZQNmVzp e8lT9mrx8tRV5D06Nsas7IuyCI1G2/dGLjUgitFXOtUv4JAKF6OapF7IF5BVRZ2jkJ 1rFao1wZ0UR2zsx79tdsE9TpQIPB5nlUpg2S5Jb6qisgS/byhI1bpdmrVQ6cc3MMv0 YdOFKaKw+gpjGEzjH2rYtbBxGibakbTI9ayhjh/sIchqp3+T7KDWDYD3HnYcCb8vRB ssp4lk1LG94GoO2rwKweS6JsJfhfDevRP3ePZcyvkdxZL9iejAk3ddp/ctN/suPocG 8s3Q2EzbPIrIQ== Received: from p-i-exch-sc-m01.sberdevices.ru (p-i-exch-sc-m01.sberdevices.ru [172.16.192.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.sberdevices.ru (Postfix) with ESMTPS; Fri, 10 Nov 2023 11:20:54 +0300 (MSK) Received: from localhost.localdomain (100.64.160.123) by p-i-exch-sc-m01.sberdevices.ru (172.16.192.107) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.37; Fri, 10 Nov 2023 11:20:54 +0300 From: Dmitry Rokosov To: , , , , , CC: , , , , , , Dmitry Rokosov Subject: [PATCH v2 3/3] mm: memcg: add reminder comment for the memcg v2 events Date: Fri, 10 Nov 2023 11:20:45 +0300 Message-ID: <20231110082045.19407-4-ddrokosov@salutedevices.com> X-Mailer: git-send-email 2.36.0 In-Reply-To: <20231110082045.19407-1-ddrokosov@salutedevices.com> References: <20231110082045.19407-1-ddrokosov@salutedevices.com> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Originating-IP: [100.64.160.123] X-ClientProxiedBy: p-i-exch-sc-m01.sberdevices.ru (172.16.192.107) To p-i-exch-sc-m01.sberdevices.ru (172.16.192.107) X-KSMG-Rule-ID: 10 X-KSMG-Message-Action: clean X-KSMG-AntiSpam-Lua-Profiles: 181265 [Nov 10 2023] X-KSMG-AntiSpam-Version: 6.0.0.2 X-KSMG-AntiSpam-Envelope-From: ddrokosov@salutedevices.com X-KSMG-AntiSpam-Rate: 0 X-KSMG-AntiSpam-Status: not_detected X-KSMG-AntiSpam-Method: none X-KSMG-AntiSpam-Auth: dkim=none X-KSMG-AntiSpam-Info: LuaCore: 543 543 1e3516af5cdd92079dfeb0e292c8747a62cb1ee4, {Tracking_from_domain_doesnt_match_to}, 100.64.160.123:7.1.2;p-i-exch-sc-m01.sberdevices.ru:5.0.1,7.1.1;salutedevices.com:7.1.1;127.0.0.199:7.1.2;d41d8cd98f00b204e9800998ecf8427e.com:7.1.1, FromAlignment: s, ApMailHostAddress: 100.64.160.123 X-MS-Exchange-Organization-SCL: -1 X-KSMG-AntiSpam-Interceptor-Info: scan successful X-KSMG-AntiPhishing: Clean X-KSMG-LinksScanning: Clean X-KSMG-AntiVirus: Kaspersky Secure Mail Gateway, version 2.0.1.6960, bases: 2023/11/10 05:52:00 #22426579 X-KSMG-AntiVirus-Status: Clean, skipped To maintain the correct state, it is important to ensure that events for the memory cgroup v2 are aligned with the sample cgroup codes. Signed-off-by: Dmitry Rokosov --- mm/memcontrol.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/mm/memcontrol.c b/mm/memcontrol.c index e8ca4bdcb03c..d088b63740c2 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -6555,6 +6555,10 @@ static ssize_t memory_max_write(struct kernfs_open_file *of, return nbytes; } +/* + * Note: don't forget to update the 'samples/cgroup/cgroup_v2_event_listener' + * if any new events become available. + */ static void __memory_events_show(struct seq_file *m, atomic_long_t *events) { seq_printf(m, "low %lu\n", atomic_long_read(&events[MEMCG_LOW]));