[merged mm-stable] hugetlb-remove-uses-of-compound_dtor-and-compound_nr.patch removed from -mm tree

[Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>]

The quilt patch titled
     Subject: hugetlb: remove uses of compound_dtor and compound_nr
has been removed from the -mm tree.  Its filename was
     hugetlb-remove-uses-of-compound_dtor-and-compound_nr.patch

This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

------------------------------------------------------
From: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>
Subject: hugetlb: remove uses of compound_dtor and compound_nr
Date: Wed, 11 Jan 2023 14:29:07 +0000

Convert the entire file to use the folio equivalents.

Link: https://lkml.kernel.org/r/20230111142915.1001531-22-willy@xxxxxxxxxxxxx
Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---


--- a/mm/hugetlb.c~hugetlb-remove-uses-of-compound_dtor-and-compound_nr
+++ a/mm/hugetlb.c
@@ -2038,11 +2038,12 @@ static bool prep_compound_gigantic_folio
  */
 int PageHuge(struct page *page)
 {
+	struct folio *folio;
+
 	if (!PageCompound(page))
 		return 0;
-
-	page = compound_head(page);
-	return page[1].compound_dtor == HUGETLB_PAGE_DTOR;
+	folio = page_folio(page);
+	return folio->_folio_dtor == HUGETLB_PAGE_DTOR;
 }
 EXPORT_SYMBOL_GPL(PageHuge);
 
@@ -2052,10 +2053,11 @@ EXPORT_SYMBOL_GPL(PageHuge);
  */
 int PageHeadHuge(struct page *page_head)
 {
-	if (!PageHead(page_head))
+	struct folio *folio = (struct folio *)page_head;
+	if (!folio_test_large(folio))
 		return 0;
 
-	return page_head[1].compound_dtor == HUGETLB_PAGE_DTOR;
+	return folio->_folio_dtor == HUGETLB_PAGE_DTOR;
 }
 EXPORT_SYMBOL_GPL(PageHeadHuge);
 
_

Patches currently in -mm which might be from willy@xxxxxxxxxxxxx are