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