docs: core-api/gfp_mask-from-fs-io: add a label for cross-referencing

Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>

diff --git a/Documentation/core-api/gfp_mask-from-fs-io.rst b/Documentation/core-api/gfp_mask-from-fs-io.rst
index e0df8f4165826a7049c332fd25ed8a86537b34c4..e7c32a8de126a5752557783bc5b289f88ae7f35b 100644 (file)
--- a/Documentation/core-api/gfp_mask-from-fs-io.rst
+++ b/Documentation/core-api/gfp_mask-from-fs-io.rst
@@ -1,3 +1,5 @@
+.. _gfp_mask_from_fs_io:
+
 =================================
 GFP masks used from FS/IO context
 =================================