Re: alternative take on the same page merging leak fix v2

[Ming Lei <ming.lei@redhat.com>]

On Fri, Jun 14, 2019 at 07:45:14AM +0200, Christoph Hellwig wrote:
> On Fri, Jun 14, 2019 at 09:19:47AM +0800, Ming Lei wrote:
> > On Thu, Jun 13, 2019 at 04:04:03AM -0600, Jens Axboe wrote:
> > > On 6/13/19 3:55 AM, Christoph Hellwig wrote:
> > > > Hi Jens, hi Ming,
> > > > 
> > > > this is the tested and split version of what I think is the better
> > > > fix for the get_user_pages page leak, as it leaves the intelligence
> > > > in the callers instead of in bio_try_to_merge_page.
> > > > 
> > > > Changes since v1:
> > > >   - drop patches not required for 5.2
> > > >   - added Reviewed-by tags
> > > 
> > > Applied for 5.2, thanks.
> > 
> > Hi Jens & Christoph,
> > 
> > Looks the following change is missed in patch 1, otherwise kernel oops
> > is triggered during kernel booting:
> 
> Ok, true, sorry.
> 
> Reviewed-by: Christoph Hellwig <hch@lst.de>
> 
> and you probably want to cook it up for Jens with a proper changelog.

This one can be wrapped into the patch 1 given it is just at top of
for-linus, so I guess Jens may do it.

Thanks,
Ming