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-rw-r--r--lib/bitmap.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/bitmap.c b/lib/bitmap.c
index c82c61b66e16..d8f0c094b18e 100644
--- a/lib/bitmap.c
+++ b/lib/bitmap.c
@@ -18,7 +18,9 @@
#include <asm/page.h>
-/*
+/**
+ * DOC: bitmap introduction
+ *
* bitmaps provide an array of bits, implemented using an an
* array of unsigned longs. The number of valid bits in a
* given bitmap does _not_ need to be an exact multiple of