doc: Add /proc/bootconfig to proc.rst

Add /proc/bootconfig description to Documentation/filesystems/proc.rst.

Link: https://lore.kernel.org/all/20231005171747.541123-3-paulmck@kernel.org/
Reported-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>

diff --git a/Documentation/filesystems/proc.rst b/Documentation/filesystems/proc.rst
index 36da7038a1c939cff88feebe7cc178dc826e004e..49ef12df631b7a46dd1c522f16f20b1772244634 100644 (file)
--- a/Documentation/filesystems/proc.rst
+++ b/Documentation/filesystems/proc.rst
@@ -689,6 +689,11 @@ files are there, and which are missing.
  File         Content
  ============ ===============================================================
  apm          Advanced power management info
+ bootconfig   Kernel command line obtained from boot config,
+             and, if there were kernel parameters from the
+             boot loader, a "# Parameters from bootloader:"
+             line followed by a line containing those
+             parameters prefixed by "# ".                      (5.5)
  buddyinfo    Kernel memory allocator information (see text)   (2.5)
  bus          Directory containing bus specific information
  cmdline      Kernel command line, both from bootloader and embedded