linux-kernel - [PATCH 2/2] docs: symbol-namespaces: mention sysfs attribute

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Message-ID: <20260108044710.33036-2-linux@opensource.nslick.com>
Date: Wed,  7 Jan 2026 22:47:10 -0600
From: Nicholas Sielicki <linux@...nsource.nslick.com>
To: Luis Chamberlain <mcgrof@...nel.org>,
	Petr Pavlu <petr.pavlu@...e.com>,
	Daniel Gomez <da.gomez@...nel.org>
Cc: Sami Tolvanen <samitolvanen@...gle.com>,
	Aaron Tomlin <atomlin@...mlin.com>,
	Matthias Maennich <maennich@...gle.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Jonathan Corbet <corbet@....net>,
	Randy Dunlap <rdunlap@...radead.org>,
	linux-modules@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Nicholas Sielicki <linux@...nsource.nslick.com>
Subject: [PATCH 2/2] docs: symbol-namespaces: mention sysfs attribute

Reference the new /sys/module/*/import_ns sysfs attribute in docs as an
alternative to modinfo for inspecting imported namespaces of loaded
modules.

Signed-off-by: Nicholas Sielicki <linux@...nsource.nslick.com>
---
 Documentation/core-api/symbol-namespaces.rst | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/core-api/symbol-namespaces.rst b/Documentation/core-api/symbol-namespaces.rst
index 034898e81ba2..2304d5bffcce 100644
--- a/Documentation/core-api/symbol-namespaces.rst
+++ b/Documentation/core-api/symbol-namespaces.rst
@@ -114,6 +114,11 @@ inspected with modinfo::
 	import_ns:      USB_STORAGE
 	[...]
 
+For modules that are currently loaded, imported namespaces are also available
+via sysfs::
+
+	$ cat /sys/module/ums_karma/import_ns
+	USB_STORAGE
 
 It is advisable to add the MODULE_IMPORT_NS() statement close to other module
 metadata definitions like MODULE_AUTHOR() or MODULE_LICENSE().
-- 
2.52.0