Thread (32 messages) 32 messages, 6 authors, 2025-06-23

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

From: Andrew Morton <akpm@linux-foundation.org>
Date: 2025-06-22 18:43:25
Also in: kvm, linux-coco, linux-fsdevel, linux-kselftest, linux-mm, lkml

On Fri, 20 Jun 2025 17:53:15 +0100 Matthew Wilcox [off-list ref] wrote:
On Fri, Jun 20, 2025 at 03:34:47PM +0100, Matthew Wilcox (Oracle) wrote:
quoted
+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
I added this:
--- a/mm/filemap.c~filemap-add-__filemap_get_folio_mpol-fix
+++ a/mm/filemap.c
@@ -2032,7 +2032,7 @@ no_page:
 		folio_clear_dropbehind(folio);
 	return folio;
 }
-EXPORT_SYMBOL(__filemap_get_folio);
+EXPORT_SYMBOL(__filemap_get_folio_mpol);
 
 static inline struct folio *find_get_entry(struct xa_state *xas, pgoff_t max,
 		xa_mark_t mark)
_
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