[PATCH] mm: shmem: convert to use folio_zero_range()

[Kefeng Wang <wangkefeng.wang@huawei.com>]

Directly use folio_zero_range() to cleanup code.

Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
---
 mm/shmem.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/mm/shmem.c b/mm/shmem.c
index bd5ba016567d..247c0403af83 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -2392,11 +2392,7 @@ static int shmem_get_folio_gfp(struct inode *inode, pgoff_t index,
 	 * it now, lest undo on failure cancel our earlier guarantee.
 	 */
 	if (sgp != SGP_WRITE && !folio_test_uptodate(folio)) {
-		long i, n = folio_nr_pages(folio);
-
-		for (i = 0; i < n; i++)
-			clear_highpage(folio_page(folio, i));
-		flush_dcache_folio(folio);
+		folio_zero_range(folio, 0, folio_size(folio));
 		folio_mark_uptodate(folio);
 	}
 
-- 
2.27.0