netdev - Re: [PATCH] net: sched: kill dead code in sch

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Date:	Wed, 4 Nov 2015 00:15:13 +0100
From:	Phil Sutter <phil@....cc>
To:	David Miller <davem@...emloft.net>
Cc:	shemming@...cade.com, netdev@...r.kernel.org
Subject: Re: [PATCH] net: sched: kill dead code in sch_choke.c

On Tue, Nov 03, 2015 at 01:32:44PM -0500, David Miller wrote:
> From: Phil Sutter <phil@....cc>
> Date: Tue,  3 Nov 2015 19:01:41 +0100
> 
> > It looks like this has never been used at all.
> > 
> > Signed-off-by: Phil Sutter <phil@....cc>
> 
> Indeed, from day one this was completely unreferenced.

I found it by accident when trying to find out whether choke was
class-full or not. :)

> One downside from marking so much stuff const is that an
> unreferenced static variable won't be warned as unused if
> it's const.

Interestingly, this topic was picked up again only just two months
ago[1]. Not sure though if that could be used for kernel code with all
it's specialties.

Cheers, Phil

[1]: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=28901
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