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| author | Eric Dumazet <edumazet@google.com> | 2026-01-22 07:57:16 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2026-01-26 00:18:52 +0300 |
| commit | c75734b585c61411fb5a12daedcbf4dbb9e7043d (patch) | |
| tree | ca45bbf1675bb880504856fce4838414ceb76187 /include/linux/patchkey.h | |
| parent | 3f7522f36b5f1e4e061ee076cfe74a3af7eaa75b (diff) | |
| download | linux-c75734b585c61411fb5a12daedcbf4dbb9e7043d.tar.xz | |
net: always inline skb_frag_unref() and __skb_frag_unref()
clang is not inlining skb_frag_unref() and __skb_frag_unref()
in gro fast path.
It also does not inline gro_try_pull_from_frag0().
Using __always_inline fixes this issue, makes the
kernel faster _and_ smaller.
Also change __skb_frag_ref(), skb_frag_ref() and skb_page_unref()
to let them inlined for the last patch in this series.
$ scripts/bloat-o-meter -t vmlinux.0 vmlinux.1
add/remove: 2/6 grow/shrink: 1/2 up/down: 218/-511 (-293)
Function old new delta
gro_pull_from_frag0 - 188 +188
__pfx_gro_pull_from_frag0 - 16 +16
skb_shift 1125 1139 +14
__pfx_skb_frag_unref 16 - -16
__pfx_gro_try_pull_from_frag0 16 - -16
__pfx___skb_frag_unref 16 - -16
__skb_frag_unref 36 - -36
skb_frag_unref 59 - -59
dev_gro_receive 1608 1514 -94
napi_gro_frags 892 771 -121
gro_try_pull_from_frag0 153 - -153
Total: Before=22566192, After=22565899, chg -0.00%
Signed-off-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20260122045720.1221017-2-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include/linux/patchkey.h')
0 files changed, 0 insertions, 0 deletions