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-rw-r--r--src/lib/ramtest.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/lib/ramtest.c b/src/lib/ramtest.c
index 2b2c34437b..9adcafdd30 100644
--- a/src/lib/ramtest.c
+++ b/src/lib/ramtest.c
@@ -74,6 +74,8 @@ static inline void test_pattern(unsigned short int idx,
* Simple write-read-verify memory test. See console debug output for
* any dislocated bytes.
*
+ * Tests 1MiB of memory starting from start.
+ *
* @param start System memory offset, aligned to 128bytes
*/
static int ram_bitset_nodie(unsigned long start)