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>,
Huang Ying <ying.huang@intel.com>,
Kefeng Wang <wangkefeng.wang@huawei.com>
Subject: [PATCH v2 2/4] mm: memory: use folio in struct copy_subpage_arg
Date: Tue, 18 Jun 2024 17:12:40 +0800 [thread overview]
Message-ID: <20240618091242.2140164-3-wangkefeng.wang@huawei.com> (raw)
In-Reply-To: <20240618091242.2140164-1-wangkefeng.wang@huawei.com>
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 --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,
};
--
2.27.0
next prev parent reply other threads:[~2024-06-18 9:13 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-06-18 9:12 [PATCH v2 0/4] mm: improve clear and copy user folio Kefeng Wang
2024-06-18 9:12 ` [PATCH v2 1/4] mm: memory: convert clear_huge_page() to folio_zero_user() Kefeng Wang
2024-06-18 9:12 ` Kefeng Wang [this message]
2024-06-18 9:12 ` [PATCH v2 3/4] mm: memory: improve copy_user_large_folio() Kefeng Wang
2024-06-18 9:12 ` [PATCH v2 4/4] mm: memory: rename pages_per_huge_page to nr_pages Kefeng Wang
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