From: Vitaly Wool <vitalywool@gmail.com>
To: Michal Hocko <mhocko@kernel.org>
Cc: Valdis Kletnieks <Valdis.Kletnieks@vt.edu>,
Andrew Morton <akpm@linux-foundation.org>,
LKML <linux-kernel@vger.kernel.org>,
Linux-MM <linux-mm@kvack.org>
Subject: Re: Confusing olddefault prompt for Z3FOLD
Date: Thu, 28 Apr 2016 13:35:45 +0200 [thread overview]
Message-ID: <CAMJBoFPWNx6UTqyw1XF46fZYNi=nBjHXNdWz+SDokqG3xEkjAA@mail.gmail.com> (raw)
In-Reply-To: <20160427123139.GA2230@dhcp22.suse.cz>
On Wed, Apr 27, 2016 at 2:31 PM, Michal Hocko <mhocko@kernel.org> 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
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next prev parent reply other threads:[~2016-04-28 11:35 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-26 16:08 Valdis Kletnieks
2016-04-27 12:31 ` Michal Hocko
2016-04-28 11:35 ` Vitaly Wool [this message]
2016-04-28 11:58 ` Michal Hocko
2016-04-28 19:40 ` Vitaly Wool
2016-04-29 12:17 ` Michal Hocko
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