[PATCH] Documentation: deprecated.rst: add to syntax highlighting

[Manuel Ebner <manuelebnerli@mailbox.org>]

Mark key words 'gfp' and 'GFP_KERNEL' for syntax-highlighting.

Suggested-by: SJ Park <sj@kernel.org>
Signed-off-by: Manuel Ebner <manuelebnerli@mailbox.org>
---
Suggestion:
 https://lore.kernel.org/all/20260430010332.114100-1-sj@kernel.org/
---
 Documentation/process/deprecated.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/process/deprecated.rst b/Documentation/process/deprecated.rst
index 22a5e62c9..4d4d29b97 100644
--- a/Documentation/process/deprecated.rst
+++ b/Documentation/process/deprecated.rst
@@ -404,7 +404,7 @@ become, respectively::
 	ptr = kmalloc_flex(*ptr, flex_member, count [, gfp] );
 	__auto_type ptr = kmalloc_obj(struct foo [, gfp] );
 
-The argument gfp is optional, the default value is GFP_KERNEL.
+The argument `gfp` is optional, the default value is `GFP_KERNEL`.
 If `ptr->flex_member` is annotated with __counted_by(), the allocation
 will automatically fail if `count` is larger than the maximum
 representable value that can be stored in the counter member associated
-- 
2.54.0