The quilt patch titled
Subject: mm: memory: use a folio in validate_page_before_insert()
has been removed from the -mm tree. Its filename was
mm-memory-use-a-folio-in-validate_page_before_insert.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: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
Subject: mm: memory: use a folio in validate_page_before_insert()
Date: Sat, 18 Nov 2023 10:32:29 +0800
Use a folio in validate_page_before_insert() to save two compound_head()
calls.
Link: https://lkml.kernel.org/r/20231118023232.1409103-3-wangkefeng.wang@xxxxxxxxxx
Signed-off-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
Reviewed-by: Sidhartha Kumar <sidhartha.kumar@xxxxxxxxxx>
Cc: David Hildenbrand <david@xxxxxxxxxx>
Cc: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Cc: Vishal Moola (Oracle) <vishal.moola@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/memory.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
--- a/mm/memory.c~mm-memory-use-a-folio-in-validate_page_before_insert
+++ a/mm/memory.c
@@ -1842,9 +1842,12 @@ pte_t *__get_locked_pte(struct mm_struct
static int validate_page_before_insert(struct page *page)
{
- if (PageAnon(page) || PageSlab(page) || page_has_type(page))
+ struct folio *folio = page_folio(page);
+
+ if (folio_test_anon(folio) || folio_test_slab(folio) ||
+ page_has_type(page))
return -EINVAL;
- flush_dcache_page(page);
+ flush_dcache_folio(folio);
return 0;
}
_
Patches currently in -mm which might be from wangkefeng.wang@xxxxxxxxxx are
mm-fix-vma-heap-bounds-checking.patch
