From: Eric Dumazet <[email protected]>
Date: Thu, 11 Feb 2016 16:28:48 -0800
> Big servers have bloated bind table, making very hard to succeed
> ephemeral port allocations, without special containers/namespace tricks.
>
> This patch series extends the strategy added in commit 07f4c90062f8
> ("tcp/dccp: try to not exhaust ip_local_port_range in connect()").
>
> Since ports used by connect() are much likely to be shared among them,
> we give a hint to both bind() and connect() to keep the crowds separated
> if possible.
>
> Of course, if on a specific host an application needs to allocate ~30000
> ports using bind(), it will still be able to do so. Same for ~30000 connect()
> to a unique 2-tuple (dst addr, dst port)
>
> New implemetation is also more friendly to softirqs and reschedules.
>
> v2: rebase after TCP SO_REUSEPORT changes
Series applied, thanks.
