diff mbox series

[19/22] mm: Convert is_transparent_hugepage() to use a folio

Message ID 20221231214610.2800682-20-willy@infradead.org (mailing list archive)
State New
Headers show
Series Get rid of first tail page fields | expand

Commit Message

Matthew Wilcox Dec. 31, 2022, 9:46 p.m. UTC 
Replace a use of page->compound_dtor with its folio equivalent.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
---
 mm/huge_memory.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index ca2eaec84726..c3a0964cf127 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -591,12 +591,14 @@  void prep_transhuge_page(struct page *page)
 
 static inline bool is_transparent_hugepage(struct page *page)
 {
+	struct folio *folio;
+
 	if (!PageCompound(page))
 		return false;
 
-	page = compound_head(page);
-	return is_huge_zero_page(page) ||
-	       page[1].compound_dtor == TRANSHUGE_PAGE_DTOR;
+	folio = page_folio(page);
+	return is_huge_zero_page(&folio->page) ||
+	       folio->_folio_dtor == TRANSHUGE_PAGE_DTOR;
 }
 
 static unsigned long __thp_get_unmapped_area(struct file *filp,