From: Jane Chu <jane.chu@oracle.com>
To: Kefeng Wang <wangkefeng.wang@huawei.com>,
akpm@linux-foundation.org, linux-mm@kvack.org
Cc: Tony Luck <tony.luck@intel.com>,
Miaohe Lin <linmiaohe@huawei.com>,
nao.horiguchi@gmail.com, Matthew Wilcox <willy@infradead.org>,
David Hildenbrand <david@redhat.com>,
Muchun Song <muchun.song@linux.dev>,
Benjamin LaHaise <bcrl@kvack.org>,
jglisse@redhat.com, Zi Yan <ziy@nvidia.com>,
Jiaqi Yan <jiaqiyan@google.com>, Hugh Dickins <hughd@google.com>,
Vishal Moola <vishal.moola@gmail.com>,
Alistair Popple <apopple@nvidia.com>,
Oscar Salvador <osalvador@suse.de>
Subject: Re: [PATCH v3 1/5] mm: add folio_mc_copy()
Date: Tue, 28 May 2024 13:13:52 -0700 [thread overview]
Message-ID: <438bd5a4-63b1-4f52-b312-423cd2cab23b@oracle.com> (raw)
In-Reply-To: <20240528134513.2283548-2-wangkefeng.wang@huawei.com>
On 5/28/2024 6:45 AM, Kefeng Wang wrote:
>
> +int folio_mc_copy(struct folio *dst, struct folio *src)
> +{
> + long nr = folio_nr_pages(src);
> + long i = 0;
> + int ret = 0;
> +
> + for (;;) {
> + if (copy_mc_highpage(folio_page(dst, i), folio_page(src, i))) {
> + ret = -EFAULT;
> + break;
> + }
Why not be more specific by returning -EHWPOISON ?
-jane
next prev parent reply other threads:[~2024-05-28 20:14 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-28 13:45 [PATCH v3 0/5] mm: migrate: support poison recover from migrate folio Kefeng Wang
2024-05-28 13:45 ` [PATCH v3 1/5] mm: add folio_mc_copy() Kefeng Wang
2024-05-28 14:17 ` Lance Yang
2024-05-29 2:16 ` Kefeng Wang
2024-05-28 20:13 ` Jane Chu [this message]
2024-05-29 2:16 ` Kefeng Wang
2024-05-28 13:45 ` [PATCH v3 2/5] mm: migrate: split folio_migrate_mapping() Kefeng Wang
2024-05-28 13:45 ` [PATCH v3 3/5] mm: migrate: support poisoned recover from migrate folio Kefeng Wang
2024-05-28 20:15 ` Jane Chu
2024-05-29 2:19 ` Kefeng Wang
2024-05-28 13:45 ` [PATCH v3 4/5] fs: hugetlbfs: support poison recover from hugetlbfs_migrate_folio() Kefeng Wang
2024-05-28 15:41 ` Luck, Tony
2024-05-28 20:19 ` Jane Chu
2024-05-28 20:30 ` Luck, Tony
2024-05-28 22:02 ` Jane Chu
2024-05-28 22:10 ` Luck, Tony
2024-05-29 2:48 ` Kefeng Wang
2024-05-28 13:45 ` [PATCH v3 5/5] mm: migrate: remove folio_migrate_copy() Kefeng Wang
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