Hi!
> > 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...
Pavel
--
Thanks for all the (sleeping) penguins.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]