linux-kernel - [PATCH v2] Documentation/sysctl: Add timer

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Message-ID: <20250114190525.169022-1-pauld@redhat.com>
Date: Tue, 14 Jan 2025 14:05:25 -0500
From: Phil Auld <pauld@...hat.com>
To: linux-kernel@...r.kernel.org
Cc: Jonathan Corbet <corbet@....net>,
	linux-doc@...r.kernel.org
Subject: [PATCH v2] Documentation/sysctl: Add timer_migration to kernel.rst

There is no mention of timer_migration in the docs. Add
a short description.

Signed-off-by: Phil Auld <pauld@...hat.com>
Cc: Jonathan Corbet <corbet@....net>
Cc: linux-doc@...r.kernel.org
---
 Documentation/admin-guide/sysctl/kernel.rst | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Documentation/admin-guide/sysctl/kernel.rst b/Documentation/admin-guide/sysctl/kernel.rst
index b2b36d0c3094..7c759797501d 100644
--- a/Documentation/admin-guide/sysctl/kernel.rst
+++ b/Documentation/admin-guide/sysctl/kernel.rst
@@ -1544,6 +1544,13 @@ constant ``FUTEX_TID_MASK`` (0x3fffffff).
 If a value outside of this range is written to ``threads-max`` an
 ``EINVAL`` error occurs.
 
+timer_migration
+===============
+
+When set to a non-zero value, attempt to migrate timers away from idle cpus to
+allow them to remain in low power states longer.
+
+Default is set (1).
 
 traceoff_on_warning
 ===================
-- 
2.47.1