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| author | Michael Kerrisk <mtk.manpages@gmail.com> | 2016-10-07 13:24:07 +0200 |
|---|---|---|
| committer | Michael Kerrisk <mtk.manpages@gmail.com> | 2016-10-07 23:01:35 +0200 |
| commit | b43be47ef1baeafb5411ed40beb08398e74f980a (patch) | |
| tree | 6db2e081d31b92b393a5713f88304b3737d7000c /man7/cgroups.7 | |
| parent | e466137a86526a297e3f0d3b3885f6f423d11529 (diff) | |
| download | man-pages-b43be47ef1baeafb5411ed40beb08398e74f980a.tar.gz | |
cgroups.7: Relocate text on cgroup v2 "leaf" nodes
No content changes
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
Diffstat (limited to 'man7/cgroups.7')
| -rw-r--r-- | man7/cgroups.7 | 46 |
1 files changed, 23 insertions, 23 deletions
diff --git a/man7/cgroups.7 b/man7/cgroups.7 index ece7596972..9472c3cfa8 100644 --- a/man7/cgroups.7 +++ b/man7/cgroups.7 @@ -254,6 +254,29 @@ A child process created via inherits its parent's cgroup memberships. A process's cgroup memberships are preserved across .BR execve (2). +.\" +.SS Removing cgroups +To remove a cgroup, +it must first have no child cgroups and contain no (nonzombie) processes. +So long as that is the case, one can simply +remove the corresponding directory pathname. +Note that files in a cgroup directory cannot and need not be +removed. +.\" +.SS Cgroups version 2 +In cgroups v2, +all mounted controllers reside in a single unified hierarchy. +While (different) controllers may be simultaneously +mounted under the v1 and v2 hierarchies, +it is not possible to mount the same controller simultaneously +under both the v1 and the v2 hierarchies. + +The new behaviors in cgroups v2 are summarized below: +.TP 3 +1. Processes only in leaf nodes +With the exception of the root cgroup, processes may reside only in leaf nodes. +This avoids the need to decide how to partition resources between +processes which are members of cgroup A and processes in child cgroups of A. Note: in the upcoming unified hierarchy, a new restriction is imposed such that processes may reside only in leaf cgroups. @@ -280,29 +303,6 @@ This has the advantage of making explicit the relationship between processes in and .IR /cg1 's other children. -.\" -.SS Removing cgroups -To remove a cgroup, -it must first have no child cgroups and contain no (nonzombie) processes. -So long as that is the case, one can simply -remove the corresponding directory pathname. -Note that files in a cgroup directory cannot and need not be -removed. -.\" -.SS Cgroups version 2 -In cgroups v2, -all mounted controllers reside in a single unified hierarchy. -While (different) controllers may be simultaneously -mounted under the v1 and v2 hierarchies, -it is not possible to mount the same controller simultaneously -under both the v1 and the v2 hierarchies. - -The new behaviors in cgroups v2 are summarized below: -.TP 3 -1. Processes only in leaf nodes -With the exception of the root cgroup, processes may reside only in leaf nodes. -This avoids the need to decide how to partition resources between -processes which are members of cgroup A and processes in child cgroups of A. .TP 2. Active cgroups must be specified The unified hierarchy presents two new files, |