1 files changed, 10 insertions, 0 deletions

diff --git a/Documentation/kbuild/makefiles.txt b/Documentation/kbuild/makefiles.txt
index 5080fec34609..b817e6cefb77 100644
--- a/Documentation/kbuild/makefiles.txt
+++ b/Documentation/kbuild/makefiles.txt
@@ -1025,6 +1025,16 @@ When kbuild executes, the following steps are followed (roughly):
         i.e. compilable as standalone units. If CONFIG_HEADER_TEST is enabled,
         this builds them as part of extra-y.
 
+    header-test-pattern-y
+
+        This works as a weaker version of header-test-y, and accepts wildcard
+        patterns. The typical usage is:
+
+                  header-test-pattern-y += *.h
+
+        This specifies all the files that matches to '*.h' in the current
+        directory, but the files in 'header-test-' are excluded.
+
 --- 6.7 Commands useful for building a boot image
 
         Kbuild provides a few macros that are useful when building a