diff options
| author | Eric Dumazet <edumazet@google.com> | 2026-01-20 16:49:01 +0000 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2026-01-21 19:28:32 -0800 |
| commit | 9bd6ff503077e03fdf3b1a0a55b1427759eb23ac (patch) | |
| tree | 63a181a7a0a3597735a68e94ac64446bc3034ca1 /include/linux | |
| parent | a4674aa58be53921f2aba62e143cc338d6ab142c (diff) | |
net: always inline __skb_incr_checksum_unnecessary()
clang does not inline this helper in GRO fast path.
We can save space and cpu cycles.
$ scripts/bloat-o-meter -t vmlinux.0 vmlinux.1
add/remove: 0/2 grow/shrink: 2/0 up/down: 156/-218 (-62)
Function old new delta
tcp6_gro_complete 227 311 +84
tcp4_gro_complete 325 397 +72
__pfx___skb_incr_checksum_unnecessary 32 - -32
__skb_incr_checksum_unnecessary 186 - -186
Total: Before=22592724, After=22592662, chg -0.00%
Signed-off-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20260120164903.1912995-2-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/skbuff.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 86737076101d..e6bfe5d0c525 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -4763,7 +4763,7 @@ static inline void __skb_decr_checksum_unnecessary(struct sk_buff *skb) } } -static inline void __skb_incr_checksum_unnecessary(struct sk_buff *skb) +static __always_inline void __skb_incr_checksum_unnecessary(struct sk_buff *skb) { if (skb->ip_summed == CHECKSUM_UNNECESSARY) { if (skb->csum_level < SKB_MAX_CSUM_LEVEL) |