From nobody Tue Dec 16 21:51:33 2025 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 992EFC4332F for ; Fri, 10 Nov 2023 18:05:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235065AbjKJSFU (ORCPT ); Fri, 10 Nov 2023 13:05:20 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54094 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234845AbjKJSEo (ORCPT ); Fri, 10 Nov 2023 13:04:44 -0500 Received: from mx1.sberdevices.ru (mx1.sberdevices.ru [37.18.73.165]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5323493E5; Fri, 10 Nov 2023 00:20:55 -0800 (PST) Received: from p-infra-ksmg-sc-msk01 (localhost [127.0.0.1]) by mx1.sberdevices.ru (Postfix) with ESMTP id 9C6E9100055; Fri, 10 Nov 2023 11:20:53 +0300 (MSK) DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.sberdevices.ru 9C6E9100055 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=salutedevices.com; s=mail; t=1699604453; bh=eohC8GA+wehGLdFcqpgwGNVkXeQrwyMu8sDPWJjxuws=; h=From:To:Subject:Date:Message-ID:MIME-Version:Content-Type:From; b=ETxP9BNyJG4siFE5OrEsJ8wo4yqFkJ1JAWfdEn6DU1UUUbZmkwoj45YRwvpwKwQaF aAFcT7rZt44GotUxqfYuRtGhLRDWIkDQNhYh0tox3ANqHBQYMyOetRcomIJQHkA+Sb 2l0ZUeJhKZiplyrFQi7T6TYnQA7AV3CqMSjQT9AqyAJTZZr4oXdPx4JcWp8H1vNmKZ Gk8n0KYmUQosUKPT14ycMaiVT5rfmHqoC+5qMpqu+p+EkfYA0VbnOJlyFSLykczjIT CUfBo4V3MaAz+pAmOgfg0c/Qsj+AMWaDENdcMAJfTAqjgbjuo5zVATxfAwPZsl2v2M 3p4xl1rMw8qEQ== 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 11:20:53 +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 11:20:53 +0300 From: Dmitry Rokosov To: , , , , , CC: , , , , , , Dmitry Rokosov Subject: [PATCH v2 1/3] samples: introduce new samples subdir for cgroup Date: Fri, 10 Nov 2023 11:20:43 +0300 Message-ID: <20231110082045.19407-2-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> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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_uf_ne_domains}, {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;lore.kernel.org: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, bases: 2023/11/10 06:25:00 X-KSMG-LinksScanning: Clean, bases: 2023/11/10 06:25:00 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 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Move the cgroup_event_listener for cgroup v1 to the samples directory. This suggestion was proposed by Andrew Morton during the discussion [1]. Links: [1] - https://lore.kernel.org/all/20231106140934.3f5d4960141562fe8da539= 06@linux-foundation.org/ Signed-off-by: Dmitry Rokosov --- MAINTAINERS | 1 + samples/Kconfig | 6 ++++++ samples/Makefile | 1 + samples/cgroup/Makefile | 5 +++++ {tools =3D> samples}/cgroup/cgroup_event_listener.c | 0 tools/cgroup/Makefile | 11 ----------- 6 files changed, 13 insertions(+), 11 deletions(-) create mode 100644 samples/cgroup/Makefile rename {tools =3D> samples}/cgroup/cgroup_event_listener.c (100%) delete mode 100644 tools/cgroup/Makefile diff --git a/MAINTAINERS b/MAINTAINERS index d516295978a4..6a0a580c34dc 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -5243,6 +5243,7 @@ L: linux-mm@kvack.org S: Maintained F: mm/memcontrol.c F: mm/swap_cgroup.c +F: samples/cgroup/* F: tools/testing/selftests/cgroup/memcg_protection.m F: tools/testing/selftests/cgroup/test_kmem.c F: tools/testing/selftests/cgroup/test_memcontrol.c diff --git a/samples/Kconfig b/samples/Kconfig index bf49ed0d7362..339c8e2ee749 100644 --- a/samples/Kconfig +++ b/samples/Kconfig @@ -287,6 +287,12 @@ config SAMPLE_KMEMLEAK Build a sample program which have explicitly leaks memory to test kmemleak =20 +config SAMPLE_CGROUP + bool "Build cgroup sample code" + depends on CGROUPS && CC_CAN_LINK && HEADERS_INSTALL + help + Build samples that demonstrate the usage of the cgroup API. + source "samples/rust/Kconfig" =20 endif # SAMPLES diff --git a/samples/Makefile b/samples/Makefile index 0a551c2b33f4..b85fa64390c5 100644 --- a/samples/Makefile +++ b/samples/Makefile @@ -3,6 +3,7 @@ =20 subdir-$(CONFIG_SAMPLE_AUXDISPLAY) +=3D auxdisplay subdir-$(CONFIG_SAMPLE_ANDROID_BINDERFS) +=3D binderfs +subdir-$(CONFIG_SAMPLE_CGROUP) +=3D cgroup obj-$(CONFIG_SAMPLE_CONFIGFS) +=3D configfs/ obj-$(CONFIG_SAMPLE_CONNECTOR) +=3D connector/ obj-$(CONFIG_SAMPLE_FANOTIFY_ERROR) +=3D fanotify/ diff --git a/samples/cgroup/Makefile b/samples/cgroup/Makefile new file mode 100644 index 000000000000..deef4530f5e7 --- /dev/null +++ b/samples/cgroup/Makefile @@ -0,0 +1,5 @@ +# SPDX-License-Identifier: GPL-2.0 + +userprogs-always-y +=3D cgroup_event_listener + +userccflags +=3D -I usr/include diff --git a/tools/cgroup/cgroup_event_listener.c b/samples/cgroup/cgroup_e= vent_listener.c similarity index 100% rename from tools/cgroup/cgroup_event_listener.c rename to samples/cgroup/cgroup_event_listener.c diff --git a/tools/cgroup/Makefile b/tools/cgroup/Makefile deleted file mode 100644 index ffca068e4a76..000000000000 --- a/tools/cgroup/Makefile +++ /dev/null @@ -1,11 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0 -# Makefile for cgroup tools - -CFLAGS =3D -Wall -Wextra - -all: cgroup_event_listener -%: %.c - $(CC) $(CFLAGS) -o $@ $^ - -clean: - $(RM) cgroup_event_listener --=20 2.36.0