Re: 2.6.7-ck1

[kernel]

Quoting Pavel Machek <pavel@xxxxxx>:

> Hi!
> 
> > > Patchset update. The focus of this patchset is on system responsiveness
> with
> > > emphasis on desktops, but the scope of scheduler changes now makes this
> patch 
> > > suitable to servers as well.
> > 
> > I've found some interaction problems between, what I think it's, the
> > staircase scheduler and swsusp. With vanilla 2.6.7, swsusp is able to
> > save ~9000 pages to disk in less than 5 seconds, where as 2.6.7-ck1
> > takes more than 1 minute to save the same amount of pages when
> > suspending to disk.
> 
> That's probably bug in io subsystem. That happened few times in suse
> kernel. Missing unplug?

Thanks. Turned out to be a buggy yield() implementation on my part. Fixed in
later -ck versions.

Cheers,
Con

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