[PATCH 2/2] mm: Remove a call to compound_head() from is_page_hwpoison()

["Matthew Wilcox (Oracle)" <willy@infradead.org>]

We can call it only once instead of twice.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
---
 include/linux/page-flags.h | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index 6ebb573c7195..f1d65a72b378 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -1017,9 +1017,12 @@ static inline bool PageHuge(struct page *page)
  */
 static inline bool is_page_hwpoison(struct page *page)
 {
+	struct folio *folio;
+
 	if (PageHWPoison(page))
 		return true;
-	return PageHuge(page) && PageHWPoison(compound_head(page));
+	folio = page_folio(page);
+	return folio_test_hugetlb(folio) && PageHWPoison(&folio->page);
 }
 
 extern bool is_free_buddy_page(struct page *page);
-- 
2.43.0