Re: [PATCH] x86_64: inline csum_ipv6_magic()

[Dave Hansen]

On 11/13/25 07:45, Eric Dumazet wrote:
> Inline this small helper.
> 
> This reduces register pressure, as saddr and daddr are often
> back to back in memory.
> 
> For instance code inlined in tcp6_gro_receive() will look like:

Could you please double check what the code growth is for this across
the tree? There are 80-ish users of csum_ipv6_magic().

Or, is there a discrete, measurable performance gain from doing this?