Hi,
On Wednesday 26 April 2006 00:25, Pavel Machek wrote:
> > > It does apply to all of the LRU pages. This is what I've been doing for years
> > > now. The only corner case I've come across is XFS. It still wants to write
> > > data even when there's nothing to do and it's threads are frozen (IIRC -
> > > haven't looked at it for a while). I got around that by freezing bdevs when
> > > freezing processes.
> >
> > This means if we freeze bdevs, we'll be able to save all of the LRU pages,
> > except for the pages mapped by the current task, without copying. I think we
> > can try to do this, but we'll need a patch to freeze bdevs for this purpose. ;-)
>
> ...adding more dependencies to how vm/blockdevs work. I'd say current
> code is complex enough...
Well, why don't we see the patch? If it's too complex, we can just decide not
to use it. :-)
Greetings,
Rafael
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