netdev - Re: [PATCH] net: shrink net_device by #ifdef-ing protocol-specific members

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Message-Id: <20090727.082644.265102452.davem@davemloft.net>
Date:	Mon, 27 Jul 2009 08:26:44 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	lgrijincu@...acom.com
Cc:	netdev@...r.kernel.org, eric.dumazet@...il.com
Subject: Re: [PATCH] net: shrink net_device by #ifdef-ing protocol-specific
 members

From: Lucian Adrian Grijincu <lgrijincu@...acom.com>
Date: Mon, 27 Jul 2009 18:09:08 +0300

> Some members of net_device are used only by some protocols.
> 
> If those protocols are not compiled (as modules or linked in) they
> should not take up space in the structure.

This benefits, at best, %0.000000001 of users of the Linux kernel,
because every distribution is going to turn on every single option.

If you want to shrink structures, find ways to eliminate or
shrink structure members in all cases.

I'm not applying this.
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