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From: Kefeng Wang <wangkefeng.wang@huawei.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Muchun Song <muchun.song@linux.dev>,
	"Matthew Wilcox (Oracle)" <willy@infradead.org>,
	David Hildenbrand <david@redhat.com>, <linux-mm@kvack.org>,
	Kefeng Wang <wangkefeng.wang@huawei.com>
Subject: [PATCH 2/2] mm: memory: use folio in struct copy_subpage_arg
Date: Thu, 13 Jun 2024 18:53:44 +0800	[thread overview]
Message-ID: <20240613105344.2876119-2-wangkefeng.wang@huawei.com> (raw)
In-Reply-To: <20240613105344.2876119-1-wangkefeng.wang@huawei.com>

Directly use folio in struct copy_subpage_arg.

Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
---
 mm/memory.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/mm/memory.c b/mm/memory.c
index 6ef84cd0b2bf..ca44da80fd47 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -6475,16 +6475,16 @@ 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;
@@ -6498,8 +6498,8 @@ 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,
 	};
 
-- 
2.27.0



  reply	other threads:[~2024-06-13 10:54 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-06-13 10:53 [PATCH 1/2] mm: convert clear_huge_page() to clear_large_folio() Kefeng Wang
2024-06-13 10:53 ` Kefeng Wang [this message]
2024-06-14 12:26   ` [PATCH 2/2] mm: memory: use folio in struct copy_subpage_arg David Hildenbrand
2024-06-13 14:51 ` [PATCH 1/2] mm: convert clear_huge_page() to clear_large_folio() Matthew Wilcox
2024-06-14  5:29   ` Kefeng Wang

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