From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=salutedevices.com header.i=@salutedevices.com header.b="orKhJIw6" Received: from mx1.sberdevices.ru (mx2.sberdevices.ru [45.89.224.132]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 42978109; Wed, 22 Nov 2023 23:20:02 -0800 (PST) Received: from p-infra-ksmg-sc-msk02 (localhost [127.0.0.1]) by mx1.sberdevices.ru (Postfix) with ESMTP id E26FC120007; Thu, 23 Nov 2023 10:20:00 +0300 (MSK) DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.sberdevices.ru E26FC120007 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=salutedevices.com; s=mail; t=1700724000; bh=4xqDYEZxoQBKfiroxVAcCaTQ0QNc/WhY15vgNkVDJCI=; h=From:To:Subject:Date:Message-ID:MIME-Version:Content-Type:From; b=orKhJIw62iEDOIX8Eo122DiZ9ABea2OkrpyBXvy1q4BEINmqjrEPfxqvpJkzoASye 0k8ivVu56ck2hQ0OK9iFWoM880QCHg1z7W1Mzbrd2SogdxqsCknmIyee6eYAPbj6I/ 1Q1F3vSHK8twKbcd49ZNuDdAW7PlZve+cJ1CKoJ/6OsIdFMoJggTEAN50uNNqekbGA 4o9ofIP2//am+lWImoqWaX/icU1NWCKq6US4qJOYp7j/UgAoibUojuHxAi6v8u1URz Aj8Ht6iZb7myhpul2Fm2YRflSvyOLw9dJFTCZ6aeWhmMF9AGl4yKgCweZWaoLm+W1v 0cSEpdgm0QtOw== 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; Thu, 23 Nov 2023 10:20:00 +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 15.2.1118.40; Thu, 23 Nov 2023 10:20:00 +0300 From: Dmitry Rokosov To: , , , , , CC: , , , , , , Dmitry Rokosov Subject: [PATCH v3 3/3] mm: memcg: add reminder comment for the memcg v2 events Date: Thu, 23 Nov 2023 10:19:45 +0300 Message-ID: <20231123071945.25811-4-ddrokosov@salutedevices.com> X-Mailer: git-send-email 2.36.0 In-Reply-To: <20231123071945.25811-1-ddrokosov@salutedevices.com> References: <20231123071945.25811-1-ddrokosov@salutedevices.com> Precedence: bulk X-Mailing-List: cgroups@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain 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: 181550 [Nov 23 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: 3 0.3.3 e5c6a18a9a9bff0226d530c5b790210c0bd117c8, {Tracking_from_domain_doesnt_match_to}, d41d8cd98f00b204e9800998ecf8427e.com:7.1.1;salutedevices.com:7.1.1;100.64.160.123:7.1.2;127.0.0.199:7.1.2;p-i-exch-sc-m01.sberdevices.ru:5.0.1,7.1.1, 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: 2023/11/23 04:50:00 #22507336 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..a75c4584f58f 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/memcg_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])); -- 2.36.0