relnote: QUIC streamable frames can now use a freelist for their packet buffers, Guarded by gfe2_fe…

net/quic/quic_flags.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/quic/quic_flags.h"
 
 // When true, the use time based loss detection instead of nack.
 bool FLAGS_quic_use_time_loss_detection = false;
 
 // If true, it will return as soon as an error is detected while validating
 // CHLO.
 bool FLAGS_use_early_return_when_verifying_chlo = true;
 
+// If true, use a free list for the stream frame buffer allocations in
+// QuicPacketCreator.
+bool FLAGS_use_stream_frame_freelist = true;
+
 // If true, QUIC connections will support FEC protection of data while sending
 // packets, to reduce latency of data delivery to the application. The client
 // must also request FEC protection for the server to use FEC.
 bool FLAGS_enable_quic_fec = true;
 
 // When true, defaults to BBR congestion control instead of Cubic.
 bool FLAGS_quic_use_bbr_congestion_control = false;
 
 // If true, QUIC BBR congestion control may be enabled via Finch and/or via QUIC
 // connection options.
@@ skipping 122 matching lines @@
 
 // If true, drop not awaited QUIC packets before decrypting them.
 bool FLAGS_quic_drop_non_awaited_packets = false;
 
 // If true, use the fast implementation of IncrementalHash/FNV1a_128_Hash.
 bool FLAGS_quic_utils_use_fast_incremental_hash = true;
 
 // If true, require QUIC connections to use a valid server nonce or a non-local
 // strike register.
 bool FLAGS_require_strike_register_or_server_nonce = true;