1 files changed, 11 insertions, 1 deletions
diff --git a/gc.c b/gc.c
index 89875253e3..320a5de093 100644
--- a/gc.c
+++ b/gc.c
@@ -5033,9 +5033,19 @@ vm_malloc_increase(rb_objspace_t *objspace, size_t new_size, size_t old_size, in
     }
 
     if (do_gc) {
-	if ((ruby_gc_stress && !ruby_disable_gc_stress) || (malloc_increase > malloc_limit)) {
+	if (ruby_gc_stress && !ruby_disable_gc_stress) {
 	    garbage_collect_with_gvl(objspace, 0, 0, GPR_FLAG_MALLOC);
 	}
+	else {
+	  retry:
+	    if (malloc_increase > malloc_limit) {
+		if (is_lazy_sweeping(heap_eden)) {
+		    gc_rest_sweep(objspace); /* rest_sweep can reduce malloc_increase */
+		    goto retry;
+		}
+		garbage_collect_with_gvl(objspace, 0, 0, GPR_FLAG_MALLOC);
+	    }
+	}
     }
 }