linux-kernel - Re: [PATCH] lib/flex_array: make build optional

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Date:	Thu, 6 Nov 2014 19:31:02 -0800
From:	Josh Triplett <josh@...htriplett.org>
To:	Aristeu Rozanski <aris@...hat.com>
Cc:	Dave Hansen <dave@...1.net>, linux-kernel@...r.kernel.org,
	Changli Gao <xiaosuo@...il.com>,
	David Rientjes <rientjes@...gle.com>,
	Eric Paris <eparis@...hat.com>,
	Hannes Frederic Sowa <hannes@...essinduktion.org>,
	Jesse Gross <jesse@...ira.com>,
	Jonathan Corbet <corbet@....net>,
	Paul Gortmaker <paul.gortmaker@...driver.com>,
	Pravin Shelar <pshelar@...ira.com>,
	Alexander Viro <viro@...iv.linux.org.uk>
Subject: Re: [PATCH] lib/flex_array: make build optional

On Thu, Nov 06, 2014 at 04:50:56PM -0500, Aristeu Rozanski wrote:
> On Thu, Nov 06, 2014 at 01:44:54PM -0800, Dave Hansen wrote:
> > On 11/06/2014 01:33 PM, Dave Hansen wrote:
> > > On 11/06/2014 01:27 PM, Aristeu Rozanski wrote:
> > >> +config FLEX_ARRAY
> > >> +	bool "Flexible array"
> > >> +	default n
> > >> +	help
> > >> +	  This option enables an implementation of flexible arrays which
> > >> +	  allows creating arrays of fixed size elements with an arbritrary
> > >> +	  size without requiring the single allocation of a contiguous area.
> > >> +
> > >> +	  See Documentation/flexible-arrays.txt
> > > 
> > > Is there any reason to expose this to the user via Kconfig?
> > > 
> > > No sane person would even turn it on if they don't need it.
> > 
> > IOW, I think you should just make it:
> > 
> > config FLEX_ARRAY
> > 	def_bool n
> 
> Joe Pershes complained on a similar patch on making it default to 'n'.
> Will rework the patches this way.

https://git.kernel.org/cgit/linux/kernel/git/josh/linux.git/commit/?h=tiny/unflex-array&id=6631d5fb4cf395ebd2dc0f2da05525b9d3436a3f

Already done.

- Josh Triplett
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