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Date: Fri, 28 Oct 2011 20:01:43 +0300
Message-ID: <CAOJsxLEGnpuwmrhO0QJFuOoh5itYFyphtyg+VGH0qdrGH=8zYw@mail.gmail.com>
Subject: Re: [GIT PULL] mm: frontswap (for 3.2 window)
From: Pekka Enberg <penberg@kernel.org>
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To: Johannes Weiner <jweiner@redhat.com>
Cc: Dan Magenheimer <dan.magenheimer@oracle.com>, Cyclonus J <cyclonusj@gmail.com>, Sasha Levin <levinsasha928@gmail.com>, Christoph Hellwig <hch@infradead.org>, David Rientjes <rientjes@google.com>, Linus Torvalds <torvalds@linux-foundation.org>, linux-mm@kvack.org, LKML <linux-kernel@vger.kernel.org>, Andrew Morton <akpm@linux-foundation.org>, Konrad Wilk <konrad.wilk@oracle.com>, Jeremy Fitzhardinge <jeremy@goop.org>, Seth Jennings <sjenning@linux.vnet.ibm.com>, ngupta@vflare.org, Chris Mason <chris.mason@oracle.com>, JBeulich@novell.com, Dave Hansen <dave@linux.vnet.ibm.com>, Jonathan Corbet <corbet@lwn.net>

On Fri, Oct 28, 2011 at 7:30 PM, Johannes Weiner <jweiner@redhat.com> wrote=
:
> People did look at it.
>
> In my case, the handwavy benefits did not convince me. =A0The handwavy
> 'this is useful' from just more people of the same company does not
> help, either.
>
> I want to see a usecase that tangibly gains from this, not just more
> marketing material. =A0Then we can talk about boring infrastructure and
> adding hooks to the VM.
>
> Convincing the development community of the problem you are trying to
> solve is the undocumented part of the process you fail to follow.

Indeed. I don't also understand why this is useful nor am I convinced
enough to actually try to figure out how to do the swapfile hooks
cleanly.

                          Pekka

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