From: Matteo Croce <mcroce@xxxxxxxxxx> Date: Wed, 29 May 2019 17:39:41 +0200 > The same skb_checksum_ops struct is defined twice in two different places, > leading to code duplication. Declare it as a global variable into a common > header instead of allocating it on the stack on each function call. > bloat-o-meter reports a slight code shrink. > > add/remove: 1/1 grow/shrink: 0/10 up/down: 128/-1282 (-1154) > Function old new delta > sctp_csum_ops - 128 +128 > crc32c_csum_ops 16 - -16 > sctp_rcv 6616 6583 -33 > sctp_packet_pack 4542 4504 -38 > nf_conntrack_sctp_packet 4980 4926 -54 > execute_masked_set_action 6453 6389 -64 > tcf_csum_sctp 575 428 -147 > sctp_gso_segment 1292 1126 -166 > sctp_csum_check 579 412 -167 > sctp_snat_handler 957 772 -185 > sctp_dnat_handler 1321 1132 -189 > l4proto_manip_pkt 2536 2313 -223 > Total: Before=359297613, After=359296459, chg -0.00% > > Reviewed-by: Xin Long <lucien.xin@xxxxxxxxx> > Signed-off-by: Matteo Croce <mcroce@xxxxxxxxxx> Applied.