diff options
Diffstat (limited to 'upstream/fedora-rawhide/man5/systemd.resource-control.5')
| -rw-r--r-- | upstream/fedora-rawhide/man5/systemd.resource-control.5 | 60 |
1 files changed, 37 insertions, 23 deletions
diff --git a/upstream/fedora-rawhide/man5/systemd.resource-control.5 b/upstream/fedora-rawhide/man5/systemd.resource-control.5 index 3e1a9ae0..a2829b60 100644 --- a/upstream/fedora-rawhide/man5/systemd.resource-control.5 +++ b/upstream/fedora-rawhide/man5/systemd.resource-control.5 @@ -1,5 +1,5 @@ '\" t -.TH "SYSTEMD\&.RESOURCE\-CONTROL" "5" "" "systemd 255" "systemd.resource-control" +.TH "SYSTEMD\&.RESOURCE\-CONTROL" "5" "" "systemd 256~rc3" "systemd.resource-control" .\" ----------------------------------------------------------------- .\" * Define some portability stuff .\" ----------------------------------------------------------------- @@ -161,6 +161,7 @@ user\-\fInnn\fR\&.slice\&. Drop\-ins with local configuration that affect user 1 /etc/systemd/system/user\-1000\&.slice, /etc/systemd/system/user\-1000\&.slice\&.d/*\&.conf, but also /etc/systemd/system/user\-\&.slice\&.d/*\&.conf\&. This last directory applies to all user slices\&. +.SS "" .PP See the \m[blue]\fBNew Control Group Interfaces\fR\m[]\&\s-2\u[1]\d\s+2 @@ -422,7 +423,10 @@ Takes a memory size in bytes\&. If the value is suffixed with K, M, G or T, the "infinity", no memory throttling is applied\&. This controls the "memory\&.high" control group attribute\&. For details about this control group attribute, see -\m[blue]\fBMemory Interface Files\fR\m[]\&\s-2\u[5]\d\s+2\&. +\m[blue]\fBMemory Interface Files\fR\m[]\&\s-2\u[5]\d\s+2\&. The effective configuration is reported as +\fIEffectiveMemoryHigh=\fR +(see also +\fIEffectiveMemoryMax=\fR)\&. .sp While \fIStartupMemoryHigh=\fR @@ -451,7 +455,9 @@ Takes a memory size in bytes\&. If the value is suffixed with K, M, G or T, the "infinity", no memory limit is applied\&. This controls the "memory\&.max" control group attribute\&. For details about this control group attribute, see -\m[blue]\fBMemory Interface Files\fR\m[]\&\s-2\u[5]\d\s+2\&. +\m[blue]\fBMemory Interface Files\fR\m[]\&\s-2\u[5]\d\s+2\&. The effective configuration is reported as +\fIEffectiveMemoryMax=\fR +(the value is the most stringent limit of the unit and parent slices and it is capped by physical memory)\&. .sp While \fIStartupMemoryMax=\fR @@ -516,6 +522,19 @@ allows prioritizing specific services at boot\-up and shutdown differently than Added in version 253\&. .RE .PP +\fIMemoryZSwapWriteback=\fR +.RS 4 +This setting controls the +\fBmemory\fR +controller in the unified hierarchy\&. +.sp +Takes a boolean argument\&. When true, pages stored in the Zswap cache are permitted to be written to the backing storage, false otherwise\&. Defaults to true\&. This allows disabling writeback of swap pages for IO\-intensive applications, while retaining the ability to store compressed pages in Zswap\&. See the kernel\*(Aqs +\m[blue]\fBZswap\fR\m[]\&\s-2\u[6]\d\s+2 +documentation for more details\&. +.sp +Added in version 256\&. +.RE +.PP \fIAllowedMemoryNodes=\fR, \fIStartupAllowedMemoryNodes=\fR .RS 4 These settings control the @@ -569,7 +588,8 @@ Specify the maximum number of tasks that may be created in the unit\&. This ensu "infinity", no tasks limit is applied\&. This controls the "pids\&.max" control group attribute\&. For details about this control group attribute, the -\m[blue]\fBpids controller\fR\m[]\&\s-2\u[7]\d\s+2\&. +\m[blue]\fBpids controller\fR\m[]\&\s-2\u[7]\d\s+2\&. The effective configuration is reported as +\fIEffectiveTasksMax=\fR\&. .sp The system default for this setting may be controlled with \fIDefaultTasksMax=\fR @@ -702,6 +722,8 @@ The system default for this setting may be controlled with in \fBsystemd-system.conf\fR(5)\&. .sp +Note that this functionality is currently only available for system services, not for per\-user services\&. +.sp Added in version 235\&. .RE .PP @@ -833,9 +855,9 @@ Added in version 235\&. .PP \fISocketBindAllow=\fR\fI\fIbind\-rule\fR\fR, \fISocketBindDeny=\fR\fI\fIbind\-rule\fR\fR .RS 4 -Allow or deny binding a socket address to a socket by matching it with the -\fIbind\-rule\fR -and applying a corresponding action if there is a match\&. +Configures restrictions on the ability of unit processes to invoke +\fBbind\fR(2) +on a socket\&. Both allow and deny rules may defined that restrict which addresses a socket may be bound to\&. .sp \fIbind\-rule\fR describes socket properties such as @@ -964,6 +986,11 @@ and \fBcgroup/bind6\fR cgroup\-bpf hooks\&. .sp +Note that these settings apply to any +\fBbind\fR(2) +system call invocation by the unit processes, regardless in which network namespace they are placed\&. Or in other words: changing the network namespace is not a suitable mechanism for escaping these restrictions on +\fBbind()\fR\&. +.sp Examples: .sp .if n \{\ @@ -1739,20 +1766,7 @@ Added in version 252\&. .RE .SH "SEE ALSO" .PP -\fBsystemd\fR(1), -\fBsystemd-system.conf\fR(5), -\fBsystemd.unit\fR(5), -\fBsystemd.service\fR(5), -\fBsystemd.slice\fR(5), -\fBsystemd.scope\fR(5), -\fBsystemd.socket\fR(5), -\fBsystemd.mount\fR(5), -\fBsystemd.swap\fR(5), -\fBsystemd.exec\fR(5), -\fBsystemd.directives\fR(7), -\fBsystemd.special\fR(7), -\fBsystemd-oomd.service\fR(8), The documentation for control groups and specific controllers in the Linux kernel: -\m[blue]\fBControl Groups v2\fR\m[]\&\s-2\u[2]\d\s+2\&. +\fBsystemd\fR(1), \fBsystemd-system.conf\fR(5), \fBsystemd.unit\fR(5), \fBsystemd.service\fR(5), \fBsystemd.slice\fR(5), \fBsystemd.scope\fR(5), \fBsystemd.socket\fR(5), \fBsystemd.mount\fR(5), \fBsystemd.swap\fR(5), \fBsystemd.exec\fR(5), \fBsystemd.directives\fR(7), \fBsystemd.special\fR(7), \fBsystemd-oomd.service\fR(8), The documentation for control groups and specific controllers in the Linux kernel: \m[blue]\fBControl Groups v2\fR\m[]\&\s-2\u[2]\d\s+2 .SH "NOTES" .IP " 1." 4 New Control Group Interfaces @@ -1782,12 +1796,12 @@ Memory Interface Files .IP " 6." 4 Zswap .RS 4 -\%https://www.kernel.org/doc/html/latest/admin-guide/mm/zswap.html +\%https://docs.kernel.org/admin-guide/mm/zswap.html .RE .IP " 7." 4 pids controller .RS 4 -\%https://www.kernel.org/doc/html/latest/admin-guide/cgroup-v2.html#pid +\%https://docs.kernel.org/admin-guide/cgroup-v2.html#pid .RE .IP " 8." 4 IO Interface Files |