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
