mm/khugepaged: convert release_pte_pages() to use folios

Converts release_pte_pages() to use folios instead of pages.

Link: https://lkml.kernel.org/r/20230114001556.43795-2-vishal.moola@gmail.comSigned-off-by: Vishal Moola (Oracle) <vishal.moola@gmail.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

mm/khugepaged.c

@@ -507,20 +507,20 @@ static void release_pte_page(struct page *page)
 static void release_pte_pages(pte_t *pte, pte_t *_pte,
 		struct list_head *compound_pagelist)
 {
-	struct page *page, *tmp;
+	struct folio *folio, *tmp;
 
 	while (--_pte >= pte) {
 		pte_t pteval = *_pte;
 
-		page = pte_page(pteval);
+		folio = pfn_folio(pte_pfn(pteval));
 		if (!pte_none(pteval) && !is_zero_pfn(pte_pfn(pteval)) &&
-				!PageCompound(page))
-			release_pte_page(page);
+				!folio_test_large(folio))
+			release_pte_folio(folio);
 	}
 
-	list_for_each_entry_safe(page, tmp, compound_pagelist, lru) {
-		list_del(&page->lru);
-		release_pte_page(page);
+	list_for_each_entry_safe(folio, tmp, compound_pagelist, lru) {
+		list_del(&folio->lru);
+		release_pte_folio(folio);
 	}
 }