Re: swap prefetching merge plans

Rafael J. Wysocki
2006-03-23T18:42:16Z

Hi,

On Thursday 23 March 2006 08:04, Con Kolivas wrote:
> On Thu, 23 Mar 2006 03:53 pm, Andrew Morton wrote:
> > A look at the -mm lineup for 2.6.17:
>
> > mm-implement-swap-prefetching.patch
> > mm-implement-swap-prefetching-fix.patch
> > mm-implement-swap-prefetching-tweaks.patch
>
> > Still don't have a compelling argument for this, IMO.
>
> For those users who feel they do have a compelling argument for it, please
> speak now or I'll end up maintaining this in -ck only forever. I've come to
> depend on it with my workloads now so I'm never dropping it. There's no point
> me explaining how it is useful yet again, though, because I just end up
> looking like I'm handwaving. It seems a shame for it not to be available to
> all linux users.

AFAICT, it may help get the system more responsive after resume from suspend
to disk. However, I'd like to get some hard data to support this, but I have
a little time to test it myself now. Also I haven't thought about the
methodology yet.

If anyone can help with that, please go for it.

Greetings,
Rafael