Re: Re: [PATCH v15 01/14] mm/page_ext: Export lookup_page_ext() to GPL modules

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On Mon, 8 Jun 2020 08:49:17 -0700 Christoph Hellwig <hch@xxxxxxxxxxxxx> wrote:

> On Mon, Jun 08, 2020 at 01:53:23PM +0200, David Hildenbrand wrote:
> > > @@ -131,6 +131,7 @@ struct page_ext *lookup_page_ext(const struct page *page)
> > >  					MAX_ORDER_NR_PAGES);
> > >  	return get_entry(base, index);
> > >  }
> > > +EXPORT_SYMBOL_GPL(lookup_page_ext);
> > >  
> > >  static int __init alloc_node_page_ext(int nid)
> > >  {
> > > 
> > 
> > I've been told to always smuggle new EXPORTs into the patch that
> > actually needs it (and cc relevant people on that patch instead).
> 
> A separate patch for anything remotely controversial really helps it
> to stick out, so I think keeping it separate is a very good practice.

I have no strong preference here.  So if no further comments are given, in the
next spin, I will keep this separate, but will mention exactly what future
commit needs this change, so that it can be easily squashed later, if
necessary.


Thanks,
SeongJae Park




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