[PATCH 18/21] mm/shmem: Turn shmem_alloc_page() into shmem_alloc_folio()

["Matthew Wilcox (Oracle)" <willy@infradead.org>]

Call vma_alloc_folio() directly instead of alloc_page_vma().
It's a bit messy in the callers, but they're about to be
cleaned up when they get converted to folios.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
---
 mm/shmem.c | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/mm/shmem.c b/mm/shmem.c
index 4b8d0972bf72..afee80747647 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -1543,17 +1543,17 @@ static struct page *shmem_alloc_hugepage(gfp_t gfp,
 	return &folio->page;
 }
 
-static struct page *shmem_alloc_page(gfp_t gfp,
+static struct folio *shmem_alloc_folio(gfp_t gfp,
 			struct shmem_inode_info *info, pgoff_t index)
 {
 	struct vm_area_struct pvma;
-	struct page *page;
+	struct folio *folio;
 
 	shmem_pseudo_vma_init(&pvma, info, index);
-	page = alloc_page_vma(gfp, &pvma, 0);
+	folio = vma_alloc_folio(gfp, 0, &pvma, 0, false);
 	shmem_pseudo_vma_destroy(&pvma);
 
-	return page;
+	return folio;
 }
 
 static struct page *shmem_alloc_and_acct_page(gfp_t gfp,
@@ -1575,7 +1575,7 @@ static struct page *shmem_alloc_and_acct_page(gfp_t gfp,
 	if (huge)
 		page = shmem_alloc_hugepage(gfp, info, index);
 	else
-		page = shmem_alloc_page(gfp, info, index);
+		page = &shmem_alloc_folio(gfp, info, index)->page;
 	if (page) {
 		__SetPageLocked(page);
 		__SetPageSwapBacked(page);
@@ -1625,7 +1625,7 @@ static int shmem_replace_page(struct page **pagep, gfp_t gfp,
 	 * limit chance of success by further cpuset and node constraints.
 	 */
 	gfp &= ~GFP_CONSTRAINT_MASK;
-	newpage = shmem_alloc_page(gfp, info, index);
+	newpage = &shmem_alloc_folio(gfp, info, index)->page;
 	if (!newpage)
 		return -ENOMEM;
 
@@ -2350,7 +2350,6 @@ int shmem_mfill_atomic_pte(struct mm_struct *dst_mm,
 
 	if (!*pagep) {
 		ret = -ENOMEM;
-		page = shmem_alloc_page(gfp, info, pgoff);
 		if (!page)
 			goto out_unacct_blocks;
 
-- 
2.34.1