linux-kernel - Re: [PATCH 00/10] AXFS: Advanced XIP filesystem

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Message-ID: <6934efce0808211948kd12ba76k1ee847a0e08010e0@mail.gmail.com>
Date:	Thu, 21 Aug 2008 19:48:13 -0700
From:	"Jared Hulbert" <jaredeh@...il.com>
To:	"Greg Ungerer" <gerg@...pgear.com>
Cc:	"Jamie Lokier" <jamie@...reable.org>, Linux-kernel@...r.kernel.org,
	linux-embedded@...r.kernel.org,
	linux-mtd <linux-mtd@...ts.infradead.org>,
	"Jörn Engel" <joern@...fs.org>,
	tim.bird@...sony.com, cotte@...ibm.com, nickpiggin@...oo.com.au
Subject: Re: [PATCH 00/10] AXFS: Advanced XIP filesystem

> That would be enough I think. If you could manually select
> which files are contiguous-and-uncompressed that would be
> useful for some too here.

So.... If you don't have an MMU when do you call ->fault?  Does the
noMMU code just loop through ->fault()ing all the pages in an mmap()?

> One thing for sure is that many people who do non-MMU setups
> are interested in XIP to get the space savings. These are very
> often small devices with very constrained RAM and flash. (For
> whatever it is worth single NOR flash only boards are common in
> these smaller form factors :-)

True.
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