linux-kernel - Re: [PATCH] zsmalloc: Add Kconfig for enabling PTE method

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Date:	Mon, 4 Feb 2013 11:58:41 +0900
From:	Minchan Kim <minchan@...nel.org>
To:	Simon Jeons <simon.jeons@...il.com>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Seth Jennings <sjenning@...ux.vnet.ibm.com>,
	Nitin Gupta <ngupta@...are.org>,
	Dan Magenheimer <dan.magenheimer@...cle.com>,
	Konrad Rzeszutek Wilk <konrad@...nok.org>
Subject: Re: [PATCH] zsmalloc: Add Kconfig for enabling PTE method

On Sun, Feb 03, 2013 at 08:02:09PM -0600, Simon Jeons wrote:
> On Mon, 2013-02-04 at 09:23 +0900, Minchan Kim wrote:
> > Zsmalloc has two methods 1) copy-based and 2) pte based to access
> > allocations that span two pages.
> > You can see history why we supported two approach from [1].
> > 
> > But it was bad choice that adding hard coding to select architecture
> > which want to use pte based method. This patch removed it and adds
> > new Kconfig to select the approach.
> > 
> > This patch is based on next-20130202.
> 
> What's the meaning of 'zs' in zsmalloc? It's short for what?

I'm not right person to answer but I guess it stands for compressed slab.

-- 
Kind regards,
Minchan Kim
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