Re: [PATCH stable 4.9] mm: memcontrol: fix NULL pointer crash in test_clear_page_writeback()

[Greg KH]

On Tue, Feb 09, 2021 at 04:19:46PM -0500, Johannes Weiner wrote:
> On Tue, Feb 09, 2021 at 12:26:15PM -0800, Florian Fainelli wrote:
> > From: Johannes Weiner <hannes@xxxxxxxxxxx>
> > 
> > commit 739f79fc9db1b38f96b5a5109b247a650fbebf6d upstream
> 
> ...
> 
> > This patch is present in a downstream Android tree:
> > 
> > https://source.mcwhirter.io/craige/bluecross/commit/d4a742865c6b69ef931694745ef54965d7c9966c
> > 
> > and I happened to have stumbled across the same problem too.
> > 
> > Johannes can you review it for correctness with respect to the 4.9
> > kernel? Thanks!
> 
> Looks good to me.

Applied, thanks.

greg k-h