inet: switch IP ID generator to siphash

[GitHub/moto-9609/android_kernel_motorola_exynos9610.git] / init / Kconfig

diff --git a/init/Kconfig b/init/Kconfig
index aaad5835cba736d162d2ab0ba1b561b02e7f581a..92ae180bb084e0d586b6250d0827126ff28e14e0 100644 (file)
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -504,8 +504,19 @@ config PSI_DEFAULT_DISABLED
        depends on PSI
        help
          If set, pressure stall information tracking will be disabled
-         per default but can be enabled through passing psi_enable=1
-         on the kernel commandline during boot.
+         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"