Re: [PATCH][RFT] simple deadline I/O scheduler

[Rik van Riel <riel _at_ conectiva.com.br>]

On Mon, 7 Jan 2002, Mark Hahn wrote:

> > Would it be possible to introduce concept of I/O priority? I.e. I want
> > updatedb not to load disk if I need it for something else?
>
> makes sense to me.  actually, VM is another place where priority
> could be quite useful - for instance, how hard the VM scavenges
> a proc's pages.  oops, there I go advocating a tunable...
>
> VM_SWAP_ME_HARDER anyone?

This seems to work very badly, making one process swap more
means it pagefaults more and sucks up more IO bandwidth ;)

regards,

Rik
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