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-rw-r--r--malloc/malloc.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/malloc/malloc.h b/malloc/malloc.h
index f65e18aa82..d95a3157a3 100644
--- a/malloc/malloc.h
+++ b/malloc/malloc.h
@@ -83,7 +83,7 @@ struct mallinfo
int smblks; /* number of fastbin blocks */
int hblks; /* number of mmapped regions */
int hblkhd; /* space in mmapped regions */
- int usmblks; /* maximum total allocated space */
+ int usmblks; /* always 0, preserved for backwards compatibility */
int fsmblks; /* space available in freed fastbin blocks */
int uordblks; /* total allocated space */
int fordblks; /* total free space */