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| -rw-r--r-- | man2/clone.2 | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/man2/clone.2 b/man2/clone.2 index f0db3bf321..a0de831dee 100644 --- a/man2/clone.2 +++ b/man2/clone.2 @@ -559,6 +559,11 @@ Note that all of the usual restrictions (described in .BR cgroups (7)) on placing a process into a version 2 cgroup apply. .IP +Among the possible use cases for +.BR CLONE_INTO_CGROUP +are the following: +.RS +.IP * 3 Spawning a process into a cgroup different from the parent's cgroup makes it possible for a service manager to directly spawn new services into dedicated cgroups. @@ -566,6 +571,7 @@ This eliminates the accounting jitter that would be caused if the child process was first created in the same cgroup as the parent and then moved into the target cgroup. +.IP * The .BR CLONE_INTO_CGROUP flag also allows the creation of @@ -573,10 +579,12 @@ frozen child processes by spawning them into a frozen cgroup. (See .BR cgroups (7) for a description of the freezer controller.) +.IP * For threaded applications (or even thread implementations which make use of cgroups to limit individual threads), it is possible to establish a fixed cgroup layout before spawning each thread directly into its target cgroup. +.RE .TP .BR CLONE_IO " (since Linux 2.6.25)" If |