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Thu, 23 Nov 2023 10:19:58 +0300 From: Dmitry Rokosov To: , , , , , CC: , , , , , , Dmitry Rokosov Subject: [PATCH v3 1/3] samples: introduce new samples subdir for cgroup Date: Thu, 23 Nov 2023 10:19:43 +0300 Message-ID: <20231123071945.25811-2-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> 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: 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_uf_ne_domains}, {Tracking_from_domain_doesnt_match_to}, d41d8cd98f00b204e9800998ecf8427e.com:7.1.1;127.0.0.199:7.1.2;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;lore.kernel.org: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: 2023/11/23 06:48:00 X-KSMG-LinksScanning: Clean, bases: 2023/11/23 06:48:00 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 X-Rspamd-Queue-Id: 8154E10000C X-Rspam-User: X-Rspamd-Server: rspam05 X-Stat-Signature: y6fz6znothgetdhb67pj1ewbbqnn9wn6 X-HE-Tag: 1700724000-586137 X-HE-Meta: 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 Z2b+5EYe 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000098, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: 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/20231106140934.3f5d4960141562fe8da53906@linux-foundation.org/ Signed-off-by: Dmitry Rokosov --- MAINTAINERS | 1 + samples/Kconfig | 6 ++++++ samples/Makefile | 1 + samples/cgroup/Makefile | 5 +++++ {tools => 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 => 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 +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" endif # SAMPLES diff --git a/samples/Makefile b/samples/Makefile index 0a551c2b33f4..b85fa64390c5 100644 --- a/samples/Makefile +++ b/samples/Makefile @@ -3,6 +3,7 @@ subdir-$(CONFIG_SAMPLE_AUXDISPLAY) += auxdisplay subdir-$(CONFIG_SAMPLE_ANDROID_BINDERFS) += binderfs +subdir-$(CONFIG_SAMPLE_CGROUP) += cgroup obj-$(CONFIG_SAMPLE_CONFIGFS) += configfs/ obj-$(CONFIG_SAMPLE_CONNECTOR) += connector/ obj-$(CONFIG_SAMPLE_FANOTIFY_ERROR) += 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 += cgroup_event_listener + +userccflags += -I usr/include diff --git a/tools/cgroup/cgroup_event_listener.c b/samples/cgroup/cgroup_event_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 = -Wall -Wextra - -all: cgroup_event_listener -%: %.c - $(CC) $(CFLAGS) -o $@ $^ - -clean: - $(RM) cgroup_event_listener