shmem: convert shmem_read_mapping_page_gfp() to use shmem_get_folio_gfp()
Saves a couple of calls to compound_head().
Link: https://lkml.kernel.org/r/20220902194653.1739778-24-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
diff --git a/mm/shmem.c b/mm/shmem.c
index 154432d..c3e2a65 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -4270,18 +4270,20 @@ struct page *shmem_read_mapping_page_gfp(struct address_space *mapping,
{
#ifdef CONFIG_SHMEM
struct inode *inode = mapping->host;
+ struct folio *folio;
struct page *page;
int error;
BUG_ON(!shmem_mapping(mapping));
- error = shmem_getpage_gfp(inode, index, &page, SGP_CACHE,
+ error = shmem_get_folio_gfp(inode, index, &folio, SGP_CACHE,
gfp, NULL, NULL, NULL);
if (error)
return ERR_PTR(error);
- unlock_page(page);
+ folio_unlock(folio);
+ page = folio_file_page(folio, index);
if (PageHWPoison(page)) {
- put_page(page);
+ folio_put(folio);
return ERR_PTR(-EIO);
}
