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

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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@xxxxxx>

and you probably want to cook it up for Jens with a proper changelog.



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