From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lf0-f71.google.com (mail-lf0-f71.google.com [209.85.215.71]) by kanga.kvack.org (Postfix) with ESMTP id 49AF56B007E for ; Thu, 28 Apr 2016 07:35:47 -0400 (EDT) Received: by mail-lf0-f71.google.com with SMTP id 68so61968061lfq.2 for ; Thu, 28 Apr 2016 04:35:47 -0700 (PDT) Received: from mail-wm0-x229.google.com (mail-wm0-x229.google.com. [2a00:1450:400c:c09::229]) by mx.google.com with ESMTPS id g5si18735832wmf.67.2016.04.28.04.35.45 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 28 Apr 2016 04:35:46 -0700 (PDT) Received: by mail-wm0-x229.google.com with SMTP id e201so73022741wme.0 for ; Thu, 28 Apr 2016 04:35:45 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <20160427123139.GA2230@dhcp22.suse.cz> References: <9459.1461686910@turing-police.cc.vt.edu> <20160427123139.GA2230@dhcp22.suse.cz> Date: Thu, 28 Apr 2016 13:35:45 +0200 Message-ID: Subject: Re: Confusing olddefault prompt for Z3FOLD From: Vitaly Wool Content-Type: text/plain; charset=UTF-8 Sender: owner-linux-mm@kvack.org List-ID: To: Michal Hocko Cc: Valdis Kletnieks , Andrew Morton , LKML , Linux-MM On Wed, Apr 27, 2016 at 2:31 PM, Michal Hocko wrote: > 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? The v3 version of z3fold doesn't claim itself to be a low density storage :) The reasons to have them both are listed in [1] and mentioned in [2]. Thanks, Vitaly [1] https://lkml.org/lkml/2016/4/25/526 [2] https://lkml.org/lkml/2016/4/25/570 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org