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These helpers are used in network fast paths. Only call out-of-line helpers for netmem case. We might consider inlining __get_netmem() and __put_netmem() in the future. $ scripts/bloat-o-meter -t vmlinux.3 vmlinux.4 add/remove: 6/6 grow/shrink: 22/1 up/down: 2614/-646 (1968) Function old new delta pskb_carve 1669 1894 +225 gro_pull_from_frag0 - 206 +206 get_page 190 380 +190 skb_segment 3561 3747 +186 put_page 595 765 +170 skb_copy_ubufs 1683 1822 +139 __pskb_trim_head 276 401 +125 __pskb_copy_fclone 734 858 +124 skb_zerocopy 1092 1215 +123 pskb_expand_head 892 1008 +116 skb_split 828 940 +112 skb_release_data 297 409 +112 ___pskb_trim 829 941 +112 __skb_zcopy_downgrade_managed 120 226 +106 tcp_clone_payload 530 634 +104 esp_ssg_unref 191 294 +103 dev_gro_receive 1464 1514 +50 __put_netmem - 41 +41 __get_netmem - 41 +41 skb_shift 1139 1175 +36 skb_try_coalesce 681 714 +33 __pfx_put_page 112 144 +32 __pfx_get_page 32 64 +32 __pskb_pull_tail 1137 1168 +31 veth_xdp_get 250 267 +17 __pfx_gro_pull_from_frag0 - 16 +16 __pfx___put_netmem - 16 +16 __pfx___get_netmem - 16 +16 __pfx_put_netmem 16 - -16 __pfx_gro_try_pull_from_frag0 16 - -16 __pfx_get_netmem 16 - -16 put_netmem 114 - -114 get_netmem 130 - -130 napi_gro_frags 929 771 -158 gro_try_pull_from_frag0 196 - -196 Total: Before=22565857, After=22567825, chg +0.01% Signed-off-by: Eric Dumazet <edumazet@google.com> Link: https://patch.msgid.link/20260122045720.1221017-5-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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| acpi | ||
| asm-generic | ||
| clocksource | ||
| crypto | ||
| cxl | ||
| drm | ||
| dt-bindings | ||
| hyperv | ||
| keys | ||
| kunit | ||
| kvm | ||
| linux | ||
| math-emu | ||
| media | ||
| memory | ||
| misc | ||
| net | ||
| pcmcia | ||
| ras | ||
| rdma | ||
| rv | ||
| scsi | ||
| soc | ||
| sound | ||
| target | ||
| trace | ||
| uapi | ||
| ufs | ||
| vdso | ||
| video | ||
| xen | ||
| Kbuild | ||