Re: physmem and swap servers

[Ludovic Courtès]

Yesterday, 14 hours, 19 minutes, 21 seconds ago, Neal H. Walfield wrote:
> At Thu, 13 Nov 2003 17:15:22 +0100, Ludovic Court?s wrote:
> 
> > My question is: How would an application be able to use a custom swap
> > server?  Would there be a special method to tell physmem that such
> > application would like to use such swap server?
> 
> It just needs to send the data to the new server rather than to swap.
> What is lost is the ability to preserve copy on write.

Do you mean pm_swap () is something optional that tasks are not
compelled to use?  If a task doesn't use pm_swap () when it wants to
swap out pages, then it might ask some swap server to write the frame to
backing store and then call pm_release_frames () for that frame, right?

Thanks,
Ludovic.