From: Kefeng Wang <wangkefeng.wang@huawei.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: <linux-mm@kvack.org>, Jane Chu <jane.chu@oracle.com>,
Miaohe Lin <linmiaohe@huawei.com>,
Naoya Horiguchi <nao.horiguchi@gmail.com>,
Tony Luck <tony.luck@intel.com>, Jiaqi Yan <jiaqiyan@google.com>,
David Hildenbrand <david@redhat.com>,
Kefeng Wang <wangkefeng.wang@huawei.com>
Subject: [PATCH] mm: support poison recovery from do_cow_fault() fix
Date: Tue, 10 Sep 2024 10:15:41 +0800 [thread overview]
Message-ID: <20240910021541.234300-1-wangkefeng.wang@huawei.com> (raw)
In-Reply-To: <20240906024201.1214712-2-wangkefeng.wang@huawei.com>
unlock/put vmf->page, per Miaohe
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
---
mm/memory.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/mm/memory.c b/mm/memory.c
index b84443e689a8..47c0202136c9 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -5096,11 +5096,12 @@ static vm_fault_t do_cow_fault(struct vm_fault *vmf)
if (copy_mc_user_highpage(vmf->cow_page, vmf->page, vmf->address, vma)) {
ret = VM_FAULT_HWPOISON;
- goto uncharge_out;
+ goto unlock;
}
__folio_mark_uptodate(folio);
ret |= finish_fault(vmf);
+unlock:
unlock_page(vmf->page);
put_page(vmf->page);
if (unlikely(ret & (VM_FAULT_ERROR | VM_FAULT_NOPAGE | VM_FAULT_RETRY)))
--
2.27.0
next prev parent reply other threads:[~2024-09-10 2:15 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-06 2:41 [PATCH 0/2] mm: hwpoison: two more poison recovery Kefeng Wang
2024-09-06 2:42 ` [PATCH 1/2] mm: support poison recovery from do_cow_fault() Kefeng Wang
2024-09-06 22:17 ` jane.chu
2024-09-10 1:58 ` Miaohe Lin
2024-09-10 2:13 ` Kefeng Wang
2024-09-10 2:15 ` Kefeng Wang [this message]
2024-09-12 2:03 ` [PATCH] mm: support poison recovery from do_cow_fault() fix Miaohe Lin
2024-09-06 2:42 ` [PATCH 2/2] mm: support poison recovery from copy_present_page() Kefeng Wang
2024-09-06 23:14 ` jane.chu
2024-09-10 2:19 ` Miaohe Lin
2024-09-10 6:35 ` Kefeng Wang
2024-09-12 2:06 ` Miaohe Lin
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20240910021541.234300-1-wangkefeng.wang@huawei.com \
--to=wangkefeng.wang@huawei.com \
--cc=akpm@linux-foundation.org \
--cc=david@redhat.com \
--cc=jane.chu@oracle.com \
--cc=jiaqiyan@google.com \
--cc=linmiaohe@huawei.com \
--cc=linux-mm@kvack.org \
--cc=nao.horiguchi@gmail.com \
--cc=tony.luck@intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox