lkml.org 
[lkml]   [2003]   [Sep]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: Rik's list of CS challenges
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

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:48    [W:0.195 / U:0.404 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site