The quilt patch titled
Subject: mm: convert set_compound_page_dtor() and set_compound_order() to folios
has been removed from the -mm tree. Its filename was
mm-convert-set_compound_page_dtor-and-set_compound_order-to-folios.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: mm: convert set_compound_page_dtor() and set_compound_order() to folios
Date: Wed, 11 Jan 2023 14:29:04 +0000
Replace uses of compound_dtor, compound_order and compound_nr by their
folio equivalents.
Link: https://lkml.kernel.org/r/20230111142915.1001531-19-willy@xxxxxxxxxxxxx
Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
--- a/include/linux/mm.h~mm-convert-set_compound_page_dtor-and-set_compound_order-to-folios
+++ a/include/linux/mm.h
@@ -984,8 +984,11 @@ extern compound_page_dtor * const compou
static inline void set_compound_page_dtor(struct page *page,
enum compound_dtor_id compound_dtor)
{
+ struct folio *folio = (struct folio *)page;
+
VM_BUG_ON_PAGE(compound_dtor >= NR_COMPOUND_DTORS, page);
- page[1].compound_dtor = compound_dtor;
+ VM_BUG_ON_PAGE(!PageHead(page), page);
+ folio->_folio_dtor = compound_dtor;
}
static inline void folio_set_compound_dtor(struct folio *folio,
@@ -999,9 +1002,11 @@ void destroy_large_folio(struct folio *f
static inline void set_compound_order(struct page *page, unsigned int order)
{
- page[1].compound_order = order;
+ struct folio *folio = (struct folio *)page;
+
+ folio->_folio_order = order;
#ifdef CONFIG_64BIT
- page[1].compound_nr = 1U << order;
+ folio->_folio_nr_pages = 1U << order;
#endif
}
_
Patches currently in -mm which might be from willy@xxxxxxxxxxxxx are
