linux-kernel - Re: [PATCH 2.6.21] cramfs: add cramfs Linear XIP

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Date:	Fri, 8 Jun 2007 16:02:41 -0700
From:	"Jared Hulbert" <jaredeh@...il.com>
To:	carsteno@...ibm.com
Cc:	"Jörn Engel" <joern@...ybastard.org>,
	"Christoph Hellwig" <hch@...radead.org>,
	"Nick Piggin" <nickpiggin@...oo.com.au>,
	"Andrew Morton" <akpm@...ux-foundation.org>,
	richard.griffiths@...driver.com,
	"Richard Griffiths" <res07ml0@...izon.net>,
	Linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2.6.21] cramfs: add cramfs Linear XIP

> The downside: We need mem_map[] struct page entries behind all memory
> segments. Nowerdays we can easily create those via vmem_map/sparsemem.
>
> Opinions?

Frankly this is going to be mostly relevant on ARM architectures at
least at first.  Maybe I'm missing something but I don't see that
sparemem is supported on ARM...
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