linux-kernel - Re: Feature Removals for 2.6.25

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Date:	Thu, 31 Jan 2008 20:53:44 -0800
From:	Arjan van de Ven <arjan@...ux.intel.com>
To:	Harvey Harrison <harvey.harrison@...il.com>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	David Miller <davem@...emloft.net>,
	Jiri Slaby <jirislaby@...il.com>, Pavel Machek <pavel@...e.cz>,
	Christoph Hellwig <hch@....de>,
	Dominik Brodowski <linux@...do.de>, Andi Kleen <ak@...e.de>,
	Adrian Bunk <bunk@...sta.de>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Nick Piggin <npiggin@...e.de>,
	Stephen Hemminger <shemminger@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Randy Dunlap <randy.dunlap@...cle.com>,
	Len Brown <len.brown@...el.com>
Subject: Re: Feature Removals for 2.6.25

> 
> ---------------------------
> 
> What:	CONFIG_FORCED_INLINING
> When:	June 2006
> Why:	Config option is there to see if gcc is good enough. (in january
>         2006). If it is, the behavior should just be the default. If it's not,
> 	the option should just go away entirely.
> Who:    Arjan van de Ven
> 
> Patch submitted to Arjan, maybe 2.6.25?

Ingo picked it up, but no rush for .25, .26 is fine for this as well

> 
> What:	Unused EXPORT_SYMBOL/EXPORT_SYMBOL_GPL exports
> 	(temporary transition config option provided until then)
> 	The transition config option will also be removed at the same time.
> When:	before 2.6.19
> Why:	Unused symbols are both increasing the size of the kernel binary
> 	and are often a sign of "wrong API"
> Who:	Arjan van de Ven <arjan@...ux.intel.com>

this is an ongoing work; symbols get marked unused and then garbage collected
when they're due; for example akpm has several of that kind in his pile right now
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