Re: [mm, net-next v2] mm: net: memcg accounting for TCP rx zerocopy

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On Mon, 15 Mar 2021 23:28:08 -0700 Arjun Roy wrote:
> On Mon, Mar 15, 2021 at 11:22 PM Arjun Roy <arjunroy@xxxxxxxxxx> wrote:
> >
> > On Mon, Mar 15, 2021 at 9:29 PM Shakeel Butt <shakeelb@xxxxxxxxxx> wrote:  
> > >
> > > On Mon, Mar 15, 2021 at 9:20 PM Arjun Roy <arjunroy@xxxxxxxxxx> wrote:  
>  [...]  
> > > [...]  
>  [...]  
>  [...]  
> > >
> > > It is due to "mm: page-writeback: simplify memcg handling in
> > > test_clear_page_writeback()" patch in the mm tree. You would need to
> > > reintroduce the lock_page_memcg() which returns the memcg and make
> > > __unlock_page_memcg() non-static.  
> >
> > To clarify, Shakeel - the tag "tag: v5.12-rc2-mmots-2021-03-11-21-49"
> > fails to build on a clean checkout, without this patch, due to a
> > compilation failure in mm/shmem.c, for reference:
> > https://pastebin.com/raw/12eSGdGD
> > (and that's why I'm basing this patch off of net-next in this email).
> >
> > -Arjun  
> 
> Another seeming anomaly - the patch sent out passes
> scripts/checkpatch.pl but netdev/checkpatch finds plenty of actionable
> fixes here: https://patchwork.kernel.org/project/netdevbpf/patch/20210316041645.144249-1-arjunroy.kdev@xxxxxxxxx/
> 
> Is netdev using some other automated checker instead of scripts/checkpatch.pl?

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