Re: [RFC] kernel facilities for cache prefetching

[Jan Engelhardt]

>> > Another interesting approach would be to actually put all the data you
>> > want to use in a non-fragmented, sequential area on disk somehow (there
>> > is an OLS paper submitted about that by Ben) so that at least the disk
>> > side is seekless... 
>> 
>> You are right, reducing seeking distances helps not much. My fluxbox
>> desktop requires near 3k seeks, which can be loaded in the 20s init.d
>> booting time.  But for KDE/GNOME desktops, some defragging would be
>> necessary to fit them into the 20s time span.
>
>or just move the blocks (or copy them) to a reserved area...

Or even put it into a ramdisk, and then fix userspace. When Gnome loads 
more than 10000 files [http://kerneltrap.org/node/2157], it sounds like a 
design problem.


Jan Engelhardt
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