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

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Message-ID: <545BEBD6.4030803@sr71.net>
Date:	Thu, 06 Nov 2014 13:44:54 -0800
From:	Dave Hansen <dave@...1.net>
To:	Aristeu Rozanski <aris@...hat.com>, linux-kernel@...r.kernel.org
CC:	Aristeu Rozanski <arozansk@...hat.com>,
	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>,
	Josh Triplett <josh@...htriplett.org>
Subject: Re: [PATCH] lib/flex_array: make build optional

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

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