639acacb5d
See https://github.com/openSUSE/systemd/blob/SUSE/v255/NEWS for details. - This includes the following bug fixes: - commit 6e10405aa25fe5e76b740d9ec59730e3f4470c7a (bsc#1219766) - The following patches have been rebased: - 0002-rc-local-fix-ordering-startup-for-etc-init.d-boot.lo.patch - 0008-sysv-generator-translate-Required-Start-into-a-Wants.patch - 0009-pid1-handle-console-specificities-weirdness-for-s390.patch - 5001-Revert-udev-update-devlink-with-the-newer-device-nod.patch - 5002-Revert-udev-revert-workarounds-for-issues-caused-by-.patch - The following patches have been removed since they're part of v255: - 5003-cgroup-rename-TasksMax-structure-to-CGroupTasksMax.patch - 5004-bus-print-properties-ignore-CGROUP_LIMIT_MAX-for-Mem.patch - 5005-bus-print-properties-prettify-more-unset-properties.patch - systemd-boot has been added to the list of the dependencies of the systemd-testsuite package as the installation of the bootloader is now tested. - the following patches have been backported on top of v255.3: 96edf7ad18 service: Demote log level of NotifyAccess= messages to debug (bsc#1210113 jsc#PED-6214) fdde7f26d6 vconsole-setup: don't fail if the only found vc is already used by plymouth (bsc#1218618) f96c587d41 rules: set up tty permissions and group for /dev/hvc* nodes (bsc#1218137) 63a41b8899 vconsole-setup: remember the correct error value when open_terminal() fails f51a2e038c vconsole-setup: handle the case where the vc is in KD_GRAPHICS mode more gracefully (bsc#1215282) 15025a04c4 test: make sure to install the filesystem package in the test image on SUSE 06fecfb635 test: make sure that sd-boot is installed before testing bootctl 1e8788ea68 test: install systemd-boot in openSUSE test images 6e2875ad43 test/test-shutdown.py: optionally display the test I/Os in a dedicated log file 4be1a801b4 test-69: send SIGTERM to ask systemd-nspawn to properly stop the container 7bdab7b7c7 man: Document ranges for distributions config files and local config files 3f12a6c22f test: systemd-update-utmp is optional OBS-URL: https://build.opensuse.org/package/show/Base:System/systemd?expand=0&rev=1497
57 lines
2.6 KiB
Diff
57 lines
2.6 KiB
Diff
From 355275a7708d09f7be27ea239478cb3c6defbb9a Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Michal=20Koutn=C3=BD?= <mkoutny@suse.com>
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Date: Mon, 14 Aug 2023 19:59:57 +0200
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Subject: [PATCH 5009/5010] cgroup: Restrict effective limits with global
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resource provision
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Global resource (whole system or root cg's (e.g. in a container)) is
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also a well-defined limit for memory and tasks, take it into account
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when calculating effective limits.
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(cherry picked from commit 93f8e88d23bd383b5134f32c1e2ee315ac3a38c8)
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[mkoutny: fixes jsc#PED-5659]
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---
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man/systemd.resource-control.xml | 2 +-
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src/core/cgroup.c | 11 +++++++++++
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2 files changed, 12 insertions(+), 1 deletion(-)
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diff --git a/man/systemd.resource-control.xml b/man/systemd.resource-control.xml
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index bd8b6a5719..c2aa5b57e8 100644
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--- a/man/systemd.resource-control.xml
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+++ b/man/systemd.resource-control.xml
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@@ -438,7 +438,7 @@ CPUWeight=20 DisableControllers=cpu / \
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<literal>memory.max</literal> control group attribute. For details about this control group attribute, see
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<ulink url="https://docs.kernel.org/admin-guide/cgroup-v2.html#memory-interface-files">Memory Interface Files</ulink>.
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The effective configuration is reported as <varname>EffectiveMemoryMax=</varname> (the value is
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- the most stringent limit of the unit and parent slices).</para>
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+ the most stringent limit of the unit and parent slices and it is capped by physical memory).</para>
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<para>While <varname>StartupMemoryMax=</varname> applies to the startup and shutdown phases of the system,
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<varname>MemoryMax=</varname> applies to normal runtime of the system, and if the former is not set also to
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diff --git a/src/core/cgroup.c b/src/core/cgroup.c
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index 78ca67216a..285fa200d6 100644
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--- a/src/core/cgroup.c
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+++ b/src/core/cgroup.c
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@@ -4249,6 +4249,17 @@ static uint64_t unit_get_effective_limit_one(Unit *u, CGroupLimitType type) {
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assert(u);
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assert(UNIT_HAS_CGROUP_CONTEXT(u));
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+ if (unit_has_name(u, SPECIAL_ROOT_SLICE))
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+ switch (type) {
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+ case CGROUP_LIMIT_MEMORY_MAX:
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+ case CGROUP_LIMIT_MEMORY_HIGH:
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+ return physical_memory();
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+ case CGROUP_LIMIT_TASKS_MAX:
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+ return system_tasks_max();
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+ default:
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+ assert_not_reached();
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+ }
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+
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cc = unit_get_cgroup_context(u);
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switch (type) {
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/* Note: on legacy/hybrid hierarchies memory_max stays CGROUP_LIMIT_MAX unless configured
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--
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2.35.3
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