mm: shmem: drop the unnecessary folio_nr_pages()

We've got the number of pages in the folio earlier, thus remove the redundant
folio_nr_pages() call.

Link: https://lkml.kernel.org/r/67c80182ebd949e3894908e01e224697c143aabb.1756200587.git.baolin.wang@linux.alibaba.com
Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/mm/shmem.c b/mm/shmem.c
index b4d4f0e9c40ac8eb829fb2482d55e8ad7dc534b5..640fecc42f6066f4d73340c09ec75a4292b69f8b 100644 (file)
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -2430,7 +2430,6 @@ static int shmem_swapin_folio(struct inode *inode, pgoff_t index,
                goto failed;
        }
        folio_wait_writeback(folio);
-       nr_pages = folio_nr_pages(folio);
 
        /*
         * Some architectures may have to restore extra metadata to the