> I'm really serious about doing "resume from disk". If you want a fast
> boot, I will bet you a dollar that you cannot do it faster than by loading
> a contiguous image of several megabytes contiguously into memory. There is
> NO overhead, you're pretty much guaranteed platter speeds, and there are
> no issues about trying to order accesses etc. There are also no issues
> about messing up any run-time data structures.
resume from disk is actually pretty hard to do in way it is readed linearily.
While playing with swsusp patches (== suspend to disk) I found out that
it was slow. It needs to do atomic snapshot, and only reasonable way to
do that is free half of RAM, cli() and copy.
-- Philips Velo 1: 1"x4"x8", 300gram, 60, 12MB, 40bogomips, linux, mutt, details at http://atrey.karlin.mff.cuni.cz/~pavel/velo/index.html.
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