[PATCH] docs: conf.py: Ignore __counted_by attribute

[Kees Cook]

It seems that Sphinx is confused by the __counted_by attribute on struct
members. Add it to the list of known attributes.

Reported-by: kernel test robot <lkp@xxxxxxxxx>
Closes: https://lore.kernel.org/oe-kbuild-all/202312150614.kOx8xUkr-lkp@xxxxxxxxx/
Cc: Jonathan Corbet <corbet@xxxxxxx>
Cc: "Gustavo A. R. Silva" <gustavoars@xxxxxxxxxx>
Cc: linux-doc@xxxxxxxxxxxxxxx
Cc: linux-hardening@xxxxxxxxxxxxxxx
Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
---
 Documentation/conf.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/conf.py b/Documentation/conf.py
index d4fdf6a3875a..5898c74b96fb 100644
--- a/Documentation/conf.py
+++ b/Documentation/conf.py
@@ -106,6 +106,7 @@ if major >= 3:
             "__weak",
             "noinline",
             "__fix_address",
+            "__counted_by",
 
             # include/linux/memblock.h:
             "__init_memblock",
-- 
2.34.1