diff mbox series

[v2,2/4] mm: memory: use folio in struct copy_subpage_arg

Message ID 20240618091242.2140164-3-wangkefeng.wang@huawei.com (mailing list archive)
State New
Headers show
Series mm: improve clear and copy user folio | expand

Commit Message

Kefeng Wang June 18, 2024, 9:12 a.m. UTC 
Directly use folio in struct copy_subpage_arg.

Acked-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
---
 mm/memory.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)
diff mbox series

Patch

diff --git a/mm/memory.c b/mm/memory.c
index bc5d446d9174..a48a790a2b5b 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -6477,16 +6477,16 @@  static int copy_user_gigantic_page(struct folio *dst, struct folio *src,
 }
 
 struct copy_subpage_arg {
-	struct page *dst;
-	struct page *src;
+	struct folio *dst;
+	struct folio *src;
 	struct vm_area_struct *vma;
 };
 
 static int copy_subpage(unsigned long addr, int idx, void *arg)
 {
 	struct copy_subpage_arg *copy_arg = arg;
-	struct page *dst = nth_page(copy_arg->dst, idx);
-	struct page *src = nth_page(copy_arg->src, idx);
+	struct page *dst = folio_page(copy_arg->dst, idx);
+	struct page *src = folio_page(copy_arg->src, idx);
 
 	if (copy_mc_user_highpage(dst, src, addr, copy_arg->vma))
 		return -EHWPOISON;
@@ -6500,8 +6500,8 @@  int copy_user_large_folio(struct folio *dst, struct folio *src,
 	unsigned long addr = addr_hint &
 		~(((unsigned long)pages_per_huge_page << PAGE_SHIFT) - 1);
 	struct copy_subpage_arg arg = {
-		.dst = &dst->page,
-		.src = &src->page,
+		.dst = dst,
+		.src = src,
 		.vma = vma,
 	};