linux-kernel - Re: [PATCH v3 0/3] zram/zsmalloc promotion

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Message-ID: <20121031023947.GA24883@bbox>
Date:	Wed, 31 Oct 2012 11:39:48 +0900
From:	Minchan Kim <minchan@...nel.org>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Nitin Gupta <ngupta@...are.org>,
	Konrad Rzeszutek Wilk <konrad@...nok.org>,
	Seth Jennings <sjenning@...ux.vnet.ibm.com>,
	Jens Axboe <axboe@...nel.dk>,
	Dan Magenheimer <dan.magenheimer@...cle.com>,
	Pekka Enberg <penberg@...helsinki.fi>,
	gaowanlong@...fujitsu.com, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org
Subject: Re: [PATCH v3 0/3] zram/zsmalloc promotion

On Tue, Oct 30, 2012 at 07:16:18PM -0700, Greg Kroah-Hartman wrote:
> On Wed, Oct 31, 2012 at 11:04:43AM +0900, Minchan Kim wrote:
> > Hi Greg,
> > 
> > On Tue, Oct 30, 2012 at 06:42:09PM -0700, Greg Kroah-Hartman wrote:
> > > On Wed, Oct 31, 2012 at 10:06:42AM +0900, Minchan Kim wrote:
> > > > Thanks all,
> > > > 
> > > > At last, everybody who contributes to zsmalloc want to put it under /lib.
> > > > 
> > > > Greg,
> > > > What should I do for promoting this dragging patchset?
> > > 
> > > You need to get the -mm developers to agree that this is something that
> > > is worth accepting.  I have yet to see any compeling argument why this
> > 
> > I'm one of mm developers. :)
> > Yes. I hope Andrew have a time to take a look.
> > 
> > > even needs to be in the kernel in the first place.
> > 
> > Confused. what do you mean "this"? "zsmalloc" or "zram" or "both"?
> > If you mean "zsmalloc", I guess there were some lengthy thread about
> > "why we need a new another allocator". Unfortunately, I didn't follow it
> > at that time. Nitin, Pekka, Could you point out that thread? or summarize
> > the result.
> > 
> > > 
> > > I'm not moving this anywhere until you get their acceptance.
> > 
> > I understand you.
> > 
> > It's one of problem in current mm mailing list.
> > As you know, many mm guys works for server, not embedded so they don't have
> > big interest about embedded feature so prioirty of the feature was always
> > low. CMA proved it and next turn is zram. Even new-comer in mm is few so
> > review bandwidth is always low, too. :(
> > 
> > How can I poke them?
> 
> You just did.  If they ignore this, wait a week, and resend.
> Persistance is key.
> 
> good luck,

Okay. I will wait.
Greg, what do you think about LTSI?
Is it proper feature to add it? For it, still do I need ACK from mm developers?

> 
> greg k-h
> 
> --
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-- 
Kind regards,
Minchan Kim
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