#include "sd-bus.h"
#define MEMFD_CACHE_MAX 32
-#define MEMFD_CACHE_ITEM_SIZE_MAX (128*1024)
+
+/* When we cache a memfd block for reuse, we will truncate blocks
+ * longer than this in order not to keep too much data around. */
+#define MEMFD_CACHE_ITEM_SIZE_MAX (32*1024)
+
+/* This determines at which minimum size we prefer sending memfds over
+ * sending vectors */
+#define MEMFD_MIN_SIZE (32*1024)
struct memfd_cache {
int fd;