docs: document the sysfs ABI for "nohz_full"

Add missing documentation of sysfs ABI for "nohz_full". It was added
by commit 6570a9a1ce3a("show nohz_full cpus in sysfs"). However,
there is no documentation for these interface.

Signed-off-by: Kohei Tarumizu <tarumizu.kohei@fujitsu.com>
Link: https://lore.kernel.org/r/20211201115957.254224-2-tarumizu.kohei@fujitsu.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Kohei Tarumizu 2021-12-01 20:59:56 +09:00 committed by Greg Kroah-Hartman
parent 2043727c28
commit 3722e7c3c6

View file

@ -666,3 +666,10 @@ Description: Preferred MTE tag checking mode
================ ==============================================
See also: Documentation/arm64/memory-tagging-extension.rst
What: /sys/devices/system/cpu/nohz_full
Date: Apr 2015
Contact: Linux kernel mailing list <linux-kernel@vger.kernel.org>
Description:
(RO) the list of CPUs that are in nohz_full mode.
These CPUs are set by boot parameter "nohz_full=".