> [ We could also create a swap interface that we skip over when we notify
> these interfaces. Then we walk the tree and save state to the swap
> devices. Then, tell the swap devices to suspend, which can notify the
> devices to actually go to sleep....maybe..]
No.
swsusp works like this
stop all devices
save state
atomically copy memory into my_big_buffer
start all devices
write my_big_buffer into swap
poweroff
It does not need explicit knowledge of where swap is. And I believe it
is reasonable that way.
Pavel
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