Re: [PATCH 2/2] filemap: Add __filemap_get_folio_mpol()

On Fri, Jun 20, 2025 at 03:34:47PM +0100, Matthew Wilcox (Oracle) wrote:

+struct folio *__filemap_get_folio_mpol(struct address_space *mapping,

• pgoff_t index, fgf_t fgp_flags, gfp_t gfp,
  

• struct mempolicy *policy)
  

{ struct folio *folio; @@ -1982,7 +1984,7 @@ struct folio *__filemap_get_folio(struct address_space *mapping, pgoff_t index, err = -ENOMEM; if (order > min_order) alloc_gfp |= __GFP_NORETRY | __GFP_NOWARN;

• 	folio = filemap_alloc_folio(alloc_gfp, order, NULL);
  

• 	folio = filemap_alloc_folio(alloc_gfp, order, policy);
  if (!folio)
  	continue;
  

This is missing the EXPORT_SYMBOL_GPL() change. Sorry about that. I'm sure you can fix it up ;-) I only tested "make O=.build-all/ -j16 mm/ fs/" (on an allmodconfig) which doesn't get as far as making sure that modules can still see all the symbols they need.