[PATCH 1/4] mm/huge_memory: Convert split_huge_pages_in_file() to use a folio

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

Removes a number of calls to compound_head() and a call to
pagecache_get_page().

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
---
 mm/huge_memory.c | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 1cc4a5f4791e..6d9ca4819d68 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -3057,28 +3057,28 @@ static int split_huge_pages_in_file(const char *file_path, pgoff_t off_start,
 	mapping = candidate->f_mapping;
 
 	for (index = off_start; index < off_end; index += nr_pages) {
-		struct page *fpage = pagecache_get_page(mapping, index,
-						FGP_ENTRY | FGP_HEAD, 0);
+		struct folio *folio = __filemap_get_folio(mapping, index,
+						FGP_ENTRY, 0);
 
 		nr_pages = 1;
-		if (xa_is_value(fpage) || !fpage)
+		if (xa_is_value(folio) || !folio)
 			continue;
 
-		if (!is_transparent_hugepage(fpage))
+		if (!folio_test_large(folio))
 			goto next;
 
 		total++;
-		nr_pages = thp_nr_pages(fpage);
+		nr_pages = folio_nr_pages(folio);
 
-		if (!trylock_page(fpage))
+		if (!folio_trylock(folio))
 			goto next;
 
-		if (!split_huge_page(fpage))
+		if (!split_folio(folio))
 			split++;
 
-		unlock_page(fpage);
+		folio_unlock(folio);
 next:
-		put_page(fpage);
+		folio_put(folio);
 		cond_resched();
 	}
 
-- 
2.35.1