From: Jakub Kicinski <kuba@kernel.org>
To: Eric Dumazet <edumazet@google.com>
Cc: "David S . Miller" <davem@davemloft.net>,
Paolo Abeni <pabeni@redhat.com>, Simon Horman <horms@kernel.org>,
Kuniyuki Iwashima <kuniyu@google.com>,
David Ahern <dsahern@kernel.org>,
netdev@vger.kernel.org, eric.dumazet@gmail.com
Subject: Re: [PATCH net-next] ipv6: move ip6_dst_hoplimit() to net/ipv6/ip6_output.c
Date: Tue, 24 Feb 2026 18:05:44 -0800 [thread overview]
Message-ID: <20260224180544.3c865751@kernel.org> (raw)
In-Reply-To: <CANn89iLjKzLwPirGBY3SzrC33OioPCrnZMcGuP4PGj7GWp39eA@mail.gmail.com>
On Wed, 25 Feb 2026 02:52:55 +0100 Eric Dumazet wrote:
> On Wed, Feb 25, 2026 at 2:49 AM Jakub Kicinski <kuba@kernel.org> wrote:
> >
> > On Mon, 23 Feb 2026 15:33:42 +0000 Eric Dumazet wrote:
> > > Move ip6_dst_hoplimit() to net/ipv6/ip6_output.c so that compiler
> > > can (auto)inline it from ip6_xmit().
> > >
> > > $ scripts/bloat-o-meter -t vmlinux.old vmlinux.new
> > > add/remove: 0/0 grow/shrink: 1/0 up/down: 47/0 (47)
> > > Function old new delta
> > > ip6_xmit 1481 1528 +47
> > > Total: Before=25076476, After=25076523, chg +0.00%
> >
> > allmodconfig is not happy:
> >
> > ld.lld: error: undefined symbol: ip6_dst_hoplimit
>
> Oh well, this maze of config options...
I don't recall last time we discussed removing support for IPV6=m
but maybe we should consider it?
prev parent reply other threads:[~2026-02-25 2:05 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-23 15:33 [PATCH net-next] ipv6: move ip6_dst_hoplimit() to net/ipv6/ip6_output.c Eric Dumazet
2026-02-23 15:59 ` Fernando Fernandez Mancera
2026-02-23 19:01 ` Kuniyuki Iwashima
2026-02-25 1:49 ` Jakub Kicinski
2026-02-25 1:52 ` Eric Dumazet
2026-02-25 2:05 ` Jakub Kicinski [this message]
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