[merged mm-stable] hugetlb-remove-uses-of-folio_mapcount_ptr.patch removed from -mm tree

[merged mm-stable] hugetlb-remove-uses-of-folio_mapcount_ptr.patch removed from -mm tree

[Andrew Morton]

The quilt patch titled
     Subject: hugetlb: remove uses of folio_mapcount_ptr
has been removed from the -mm tree.  Its filename was
     hugetlb-remove-uses-of-folio_mapcount_ptr.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@infradead.org>
Subject: hugetlb: remove uses of folio_mapcount_ptr
Date: Wed, 11 Jan 2023 14:28:59 +0000

Use the entire_mapcount field directly.

Link: https://lkml.kernel.org/r/20230111142915.1001531-14-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---


--- a/mm/hugetlb.c~hugetlb-remove-uses-of-folio_mapcount_ptr
+++ a/mm/hugetlb.c
@@ -1474,7 +1474,7 @@ static void __destroy_compound_gigantic_
 	int nr_pages = 1 << order;
 	struct page *p;
 
-	atomic_set(folio_mapcount_ptr(folio), 0);
+	atomic_set(&folio->_entire_mapcount, 0);
 	atomic_set(&folio->_nr_pages_mapped, 0);
 	atomic_set(&folio->_pincount, 0);
 
@@ -1996,7 +1996,7 @@ static bool __prep_compound_gigantic_fol
 		if (i != 0)
 			set_compound_head(p, &folio->page);
 	}
-	atomic_set(folio_mapcount_ptr(folio), -1);
+	atomic_set(&folio->_entire_mapcount, -1);
 	atomic_set(&folio->_nr_pages_mapped, 0);
 	atomic_set(&folio->_pincount, 0);
 	return true;
_

Patches currently in -mm which might be from willy@infradead.org are