Messages in this thread | | | Date | Thu, 18 Sep 2003 10:26:30 +0200 | From | Helge Hafting <> | Subject | Re: Rik's list of CS challenges |
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Alan Cox wrote: > On Mer, 2003-09-17 at 10:52, Terje Eggestad wrote: > >>What become more interesting is that while you may have NV RAM, it's not >>likely that MRAM is viable on the processor chip. The manufacture >>process may be too expensive, or outright impossible, (polymers on chips >>that hold 80 degrees C in not likely), leaving you with volatile >>register and cache but NV Main RAM. > > > We effectively handle that case now with the suspend-to-ram feature. > > >>A merge of FS and RAM? (didn't the AS/400 have mmap'ed disks?) > > > Persistant storage systems. These tend to look very unlike Linux because > they throw out the idea of a file system as such. The issues with > debugging if they break and backups make my head hurt but other folk > seem to think they are solved problems
I see no reason to get rid of file systems - they provide a nice and established way of organizing data. Persistent RAM offer other advantages though - no need for disk caching, mmap simply gives access to the memory, execute without loading first.
Helge Hafting
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