linux-kernel - Re: Confusing olddefault prompt for Z3FOLD

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Date:	Wed, 27 Apr 2016 14:31:39 +0200
From:	Michal Hocko <mhocko@...nel.org>
To:	Valdis Kletnieks <Valdis.Kletnieks@...edu>
Cc:	Vitaly Wool <vitalywool@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: Confusing olddefault prompt for Z3FOLD

On Tue 26-04-16 12:08:30, Valdis Kletnieks wrote:
> Saw this duplicate prompt text in today's linux-next in a 'make oldconfig':
> 
> Low density storage for compressed pages (ZBUD) [Y/n/m/?] y
> Low density storage for compressed pages (Z3FOLD) [N/m/y/?] (NEW) ?
> 
> I had to read the help texts for both before I clued in that one used
> two compressed pages, and the other used 3.
> 
> And 'make oldconfig' doesn't have a "Wait, what?" option to go back
> to a previous prompt....
> 
> (Change Z3FOLD prompt to "New low density" or something? )

Or even better can we only a single one rather than 2 algorithms doing
the similar thing? I wasn't following this closely but what is the
difference to have them both?
-- 
Michal Hocko
SUSE Labs