mm/memory-failure: convert hugetlb_clear_page_hwpoison to folios

Change hugetlb_clear_page_hwpoison() to folio_clear_hugetlb_hwpoison() by
changing the function to take in a folio.  This converts one use of
ClearPageHWPoison and HPageRawHwpUnreliable to their folio equivalents.

Link: https://lkml.kernel.org/r/20230112204608.80136-4-sidhartha.kumar@oracle.comSigned-off-by: Sidhartha Kumar <sidhartha.kumar@oracle.com>
Acked-by: Naoya Horiguchi <naoya.horiguchi@nec.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Miaohe Lin <linmiaohe@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

include/linux/hugetlb.h

@@ -878,9 +878,9 @@ extern int dissolve_free_huge_pages(unsigned long start_pfn,
 				    unsigned long end_pfn);
 
 #ifdef CONFIG_MEMORY_FAILURE
-extern void hugetlb_clear_page_hwpoison(struct page *hpage);
+extern void folio_clear_hugetlb_hwpoison(struct folio *folio);
 #else
-static inline void hugetlb_clear_page_hwpoison(struct page *hpage)
+static inline void folio_clear_hugetlb_hwpoison(struct folio *folio)
 {
 }
 #endif

mm/hugetlb.c

@@ -1731,7 +1731,7 @@ static void __update_and_free_page(struct hstate *h, struct page *page)
 	 * which makes any healthy subpages reusable.
 	 */
 	if (unlikely(folio_test_hwpoison(folio)))
-		hugetlb_clear_page_hwpoison(&folio->page);
+		folio_clear_hugetlb_hwpoison(folio);
 
 	for (i = 0; i < pages_per_huge_page(h); i++) {
 		subpage = folio_page(folio, i);

mm/memory-failure.c

@@ -1785,12 +1785,12 @@ static unsigned long free_raw_hwp_pages(struct page *hpage, bool move_flag)
 	return __free_raw_hwp_pages(hpage, move_flag);
 }
 
-void hugetlb_clear_page_hwpoison(struct page *hpage)
+void folio_clear_hugetlb_hwpoison(struct folio *folio)
 {
-	if (HPageRawHwpUnreliable(hpage))
+	if (folio_test_hugetlb_raw_hwp_unreliable(folio))
 		return;
-	ClearPageHWPoison(hpage);
-	free_raw_hwp_pages(hpage, true);
+	folio_clear_hwpoison(folio);
+	free_raw_hwp_pages(&folio->page, true);
 }
 
 /*
@@ -1889,7 +1889,7 @@ static int try_memory_failure_hugetlb(unsigned long pfn, int flags, int *hugetlb
 	folio_lock(folio);
 
 	if (hwpoison_filter(p)) {
-		hugetlb_clear_page_hwpoison(&folio->page);
+		folio_clear_hugetlb_hwpoison(folio);
 		if (migratable_cleared)
 			folio_set_hugetlb_migratable(folio);
 		folio_unlock(folio);