Boot poster challenge

Arjan van de Ven arjanv at redhat.com
Sun Nov 21 20:31:58 UTC 2004


> > yeah we saw that; sorting the list on disk sector shaved 2 seconds off...
> > if we want to save more we'll have to fix the on disk layout to be less
> > spread out. That's not going to be fun...
> 
> Is there any way to have a "pre-cooked" swap image of all the files you need  
> so that when you boot you can swap it all in in one big contiguous read  
> instead of having to read file by file?

not currently; file contents also never hits swap, it would require like
a full vm subsystem rewrite to achieve this. It's probably a lot easier
to either write some defrag tool that can move stuff, or to make a
hidden automatic buffer in the fs

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