docs: sysctl: add a few more top-level /proc/sys entries

Add a few missing directories under /proc/sys.
Fix punctuation and doubled words.

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Rik van Riel <riel@surriel.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Reviewed-by: Rik van Riel <riel@surriel.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250819075456.113623-1-rdunlap@infradead.org

diff --git a/Documentation/admin-guide/sysctl/index.rst b/Documentation/admin-guide/sysctl/index.rst
index 03346f98c7b96e28c5c0c76c4a63e55544be7439..4dd2c9b5d75255b7730be44430388dd0fa34cd5f 100644 (file)
--- a/Documentation/admin-guide/sysctl/index.rst
+++ b/Documentation/admin-guide/sysctl/index.rst
@@ -66,25 +66,31 @@ This documentation is about:
 
 =============== ===============================================================
 abi/           execution domains & personalities
-debug/         <empty>
-dev/           device specific information (eg dev/cdrom/info)
+<$ARCH>                tuning controls for various CPU architecture (e.g. csky, s390)
+crypto/                <undocumented>
+debug/         <undocumented>
+dev/           device specific information (e.g. dev/cdrom/info)
 fs/            specific filesystems
                filehandle, inode, dentry and quota tuning
                binfmt_misc <Documentation/admin-guide/binfmt-misc.rst>
 kernel/                global kernel info / tuning
                miscellaneous stuff
+               some architecture-specific controls
+               security (LSM) stuff
 net/           networking stuff, for documentation look in:
                <Documentation/networking/>
 proc/          <empty>
 sunrpc/                SUN Remote Procedure Call (NFS)
+user/          Per user namespace limits
 vm/            memory management tuning
                buffer and cache management
-user/          Per user per user namespace limits
+xen/           <undocumented>
 =============== ===============================================================
 
-These are the subdirs I have on my system. There might be more
-or other subdirs in another setup. If you see another dir, I'd
-really like to hear about it :-)
+These are the subdirs I have on my system or have been discovered by
+searching through the source code. There might be more or other subdirs
+in another setup. If you see another dir, I'd really like to hear about
+it :-)
 
 .. toctree::
    :maxdepth: 1