netdev - Re: [PATCH net-next 0/6] tcp_metrics: Network namespace bloat reduction

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Date:	Mon, 09 Mar 2015 15:21:38 -0500
From:	ebiederm@...ssion.com (Eric W. Biederman)
To:	David Miller <davem@...hat.com>
Cc:	edumazet@...gle.com, netdev@...r.kernel.org,
	stephen@...workplumber.org, nicolas.dichtel@...nd.com,
	roopa@...ulusnetworks.com, hannes@...essinduktion.org,
	ddutt@...ulusnetworks.com, vipin@...ulusnetworks.com,
	shmulik.ladkani@...il.com, dsahern@...il.com
Subject: Re: [PATCH net-next 0/6] tcp_metrics: Network namespace bloat reduction

David Miller <davem@...hat.com> writes:

> From: ebiederm@...ssion.com (Eric W. Biederman)
> Date: Mon, 09 Mar 2015 13:22:52 -0500
>
>> This is a small pile of patches that convert tcp_metrics from using a
>> hash table per network namespace to using a single hash table for all
>> network namespaces.
>> 
>> This is broken up into several patches so that each small step along
>> the way could be carefully scrutinized as I wrote it, and equally so
>> that each small step can be reviewed.
>> 
>> There are two minor cleanups included.  The addition of a missing panic
>> when the tcp_metrics hash table can not be allocated during boot and the
>> removal of the return code from tcp_metrics_flush_all
>> 
>> The motivation for this change is that the tcp_metrics hash table at
>> 128KiB is the single largest component of a freshly allocated network
>> namespace.
>
> Looks like there is feedback for this series, so I'll let you address
> those and submit a V2.

Fair enough.


Eric

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