[PATCH 00/10] AXFS: Advanced XIP filesystem

[Jamie Lokier]

Greg Ungerer wrote:
> 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 :-)

I'm using XIP on a device with 32MB RAM.  The reason I use it is
_partly_ to save RAM, partly because programs start about 10 times
faster (reading NOR flash is slow and I keep the XIP region in RAM)
and partly because it reduces memory fragmentation.

-- Jamie