linux-kernel - Re: [PATCH] lib/halfmd4: make build optional

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Date:	Thu, 06 Nov 2014 13:32:03 -0800
From:	Joe Perches <joe@...ches.com>
To:	Aristeu Rozanski <aris@...hat.com>
Cc:	linux-kernel@...r.kernel.org,
	Aristeu Rozanski <arozansk@...hat.com>,
	Jan Kara <jack@...e.cz>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Andreas Dilger <adilger.kernel@...ger.ca>,
	Paul Gortmaker <paul.gortmaker@...driver.com>,
	Josh Triplett <josh@...htriplett.org>
Subject: Re: [PATCH] lib/halfmd4: make build optional

On Thu, 2014-11-06 at 16:27 -0500, Aristeu Rozanski wrote:
> From: Aristeu Rozanski <arozansk@...hat.com>
> 
> halfmd4 currently is built unconditionally:
> 	text    data     bss     dec     hex filename
> 	 801     176       8     985     3d9 lib/halfmd4.o
> 	 801     176       8     985     3d9 (TOTALS)
> 
> and it's used by ext3 and ext4. This patch is useful for situations
> in which memory footprint is a concern and those filesystems aren't
> used.
[]
> diff --git a/lib/Kconfig b/lib/Kconfig
[]
> +config HALF_MD4
> +	bool "Half MD4 transform"
> +	default y

why not default n ? (and in the other patch)

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