py/gc: Calculate (and report) maximum contiguous free block size.

Just as maximum allocated block size, it's reported in allocation units
(not bytes).

1 files changed, 1 insertions, 0 deletions

diff --git a/py/gc.h b/py/gc.h
index e790c34ac..7d8fe2bf8 100644
--- a/py/gc.h
+++ b/py/gc.h
@@ -54,6 +54,7 @@ typedef struct _gc_info_t {
     size_t total;
     size_t used;
     size_t free;
+    size_t max_free;
     size_t num_1block;
     size_t num_2block;
     size_t max_block;