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| author | Ingo Molnar <mingo@kernel.org> | 2019-02-11 08:01:50 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2019-02-11 08:01:50 +0100 |
| commit | c9ba7560c550fe6c1f4a8f0666bea41d2a349d1d (patch) | |
| tree | b15d53e69f73b160b4625e91187cd436c5a3e683 /init | |
| parent | sched/fair: Fix insertion in rq->leaf_cfs_rq_list (diff) | |
| parent | Linux 5.0-rc6 (diff) | |
| download | linux-c9ba7560c550fe6c1f4a8f0666bea41d2a349d1d.tar.xz linux-c9ba7560c550fe6c1f4a8f0666bea41d2a349d1d.zip | |
Merge tag 'v5.0-rc6' into sched/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'init')
| -rw-r--r-- | init/Kconfig | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/init/Kconfig b/init/Kconfig index 513fa544a134..c9386a365eea 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -512,6 +512,17 @@ config PSI_DEFAULT_DISABLED per default but can be enabled through passing psi=1 on the kernel commandline during boot. + This feature adds some code to the task wakeup and sleep + paths of the scheduler. The overhead is too low to affect + common scheduling-intense workloads in practice (such as + webservers, memcache), but it does show up in artificial + scheduler stress tests, such as hackbench. + + If you are paranoid and not sure what the kernel will be + used for, say Y. + + Say N if unsure. + endmenu # "CPU/Task time and stats accounting" config CPU_ISOLATION @@ -825,7 +836,7 @@ config CGROUP_PIDS PIDs controller is designed to stop this from happening. It should be noted that organisational operations (such as attaching - to a cgroup hierarchy will *not* be blocked by the PIDs controller), + to a cgroup hierarchy) will *not* be blocked by the PIDs controller, since the PIDs limit only affects a process's ability to fork, not to attach to a cgroup. |