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-rw-r--r--py/mpconfig.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/py/mpconfig.h b/py/mpconfig.h
index bbc791c0b7..e3270bd13f 100644
--- a/py/mpconfig.h
+++ b/py/mpconfig.h
@@ -51,6 +51,11 @@
/*****************************************************************************/
/* Memory allocation policy */
+// Number of words allocated (in BSS) to the GC stack (minimum is 1)
+#ifndef MICROPY_ALLOC_GC_STACK_SIZE
+#define MICROPY_ALLOC_GC_STACK_SIZE (64)
+#endif
+
// Initial amount for lexer indentation level
#ifndef MICROPY_ALLOC_LEXER_INDENT_INIT
#define MICROPY_ALLOC_LEXER_INDENT_INIT (10)