On Mon, Nov 11, 2019 at 08:18:16AM -0800, Tejun Heo wrote:
> Hello, Michal.
>
> On Mon, Nov 11, 2019 at 02:15:44PM +0100, Michal Hocko wrote:
> > > Signed-off-by: Tejun Heo <tj@xxxxxxxxxx>
> > > Cc: Dennis Zhou <dennis@xxxxxxxxxx>
> > > Cc: Konstantin Khlebnikov <khlebnikov@xxxxxxxxxxxxxx>
> > > Fixes: e8a7abf5a5bd ("writeback: disassociate inodes from dying bdi_writebacks")
> >
> > Is this a stable material?
>
> c3aab9a0bd91 ("mm/filemap.c: don't initiate writeback if mapping has
> no dirty pages") likely addresses larger part of the problem, but yeah
> it prolly makes sense to backport both for -stable.
>
> Greg, Sasha, can you pick the following two commits for -stable?
>
> * c3aab9a0bd91 ("mm/filemap.c: don't initiate writeback if mapping has
> no dirty pages")
>
> * 65de03e25138 ("cgroup,writeback: don't switch wbs immediately on
> dead wbs if the memcg is dead")
>
> Both are fixes for e8a7abf5a5bd ("writeback: disassociate inodes from
> dying bdi_writebacks") - v4.2+.
Now queued up, thanks.
greg k-h
