[PATCH RFC v2 02/13] proc: add config option SYSCTL_MODULE_ALIASES

[Mauricio Faria de Oliveira]

Add a config option for the 'sysctl:' module aliases feature.

Signed-off-by: Mauricio Faria de Oliveira <mfo at igalia.com>
---
 fs/proc/Kconfig | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/fs/proc/Kconfig b/fs/proc/Kconfig
index 24f5a36f45df8b1d6831a0f4011c1f6b1987cb52..e6591ec4bcf0ab2ad96ca7dc90b831b2f9873ac2 100644
--- a/fs/proc/Kconfig
+++ b/fs/proc/Kconfig
@@ -98,6 +98,19 @@ config SYSCTL
 	  building a kernel for install/rescue disks or your system is very
 	  limited in memory.
 
+config SYSCTL_MODULE_ALIASES
+	bool "'sysctl:' module aliases (EXPERIMENTAL)"
+	depends on SYSCTL && MODULES
+	default n
+	help
+	  The /proc/sys files registered by a module do not exist until the
+	  module is loaded; meanwhile, userspace cannot find or access them.
+
+	  This options adds 'sysctl:*/<path>/<file>' module aliases for the
+	  /proc/sys files registered by modules, so modules for nonexistent
+	  files can be loaded with 'modprobe sysctl:/proc/sys/<path>/<file>'
+	  by userspace when needed.
+
 config PROC_PAGE_MONITOR
  	default y
 	depends on PROC_FS && MMU

-- 
2.47.3