linux-kernel - Re: [PATCH 08/24] net, diet: Make TCP metrics optional

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Message-ID: <20140509094813.GC4877@xo-6d-61-c0.localdomain>
Date:	Fri, 9 May 2014 11:48:13 +0200
From:	Pavel Machek <pavel@....cz>
To:	David Miller <davem@...emloft.net>
Cc:	josh@...htriplett.org, andi@...stfloor.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, tom.zanussi@...ux.intel.com,
	ak@...ux.intel.com
Subject: Re: [PATCH 08/24] net, diet: Make TCP metrics optional

On Tue 2014-05-06 11:59:41, David Miller wrote:
> From: josh@...htriplett.org
> Date: Tue, 6 May 2014 08:57:03 -0700
> 
> > On Mon, May 05, 2014 at 11:23:27PM -0400, David Miller wrote:
> >> From: Andi Kleen <andi@...stfloor.org>
> >> Date: Tue, 6 May 2014 05:21:14 +0200
> >> 
> >> > What parts would you remove to get the foot print down for a 2MB
> >> > single purpose machine?
> >> 
> >> I wouldn't use Linux, end of story.
> >> 
> >> Maybe two decades ago, but not now, those days are over.
> > 
> > That's a self-fulfilling prophecy:
> 
> Making 2MB RAM machines today makes no sense at all.
> 
> The lowest end dirt cheap smartphone, something which fits on
> someone's pocket, has gigabytes of ram.

Low end smartphone is quite high-end device :-). It only has to run for
few days on big battery.

I have programmable watch with <64K RAM. Yes, that one runs for months on
battery. 

> The only entity looking backwards are the people making these
> improperly provisioned systems.

There's nothing improper about small ammount of RAM to save power.

									Pavel



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