From: Lance Yang <ioworker0@gmail.com>
To: Miaohe Lin <linmiaohe@huawei.com>
Cc: Oscar Salvador <osalvador@suse.de>,
Jiaqi Yan <jiaqiyan@google.com>,
nao.horiguchi@gmail.com, jane.chu@oracle.com,
muchun.song@linux.dev, akpm@linux-foundation.org,
shuah@kernel.org, corbet@lwn.net, rientjes@google.com,
duenwen@google.com, fvdl@google.com, linux-mm@kvack.org,
linux-kselftest@vger.kernel.org, linux-doc@vger.kernel.org
Subject: Re: [PATCH v2 1/3] mm/memory-failure: userspace controls soft-offlining pages
Date: Mon, 17 Jun 2024 18:34:26 +0800 [thread overview]
Message-ID: <CAK1f24mRaScJgKc7E4riQ6xTc-SVx_PanTJkA3duwpJZVhyxFQ@mail.gmail.com> (raw)
In-Reply-To: <8faf45d3-0722-2b9e-f641-9d081aad5a82@huawei.com>
On Mon, Jun 17, 2024 at 4:16 PM Miaohe Lin <linmiaohe@huawei.com> wrote:
>
> On 2024/6/17 15:51, Oscar Salvador wrote:
> > On 2024-06-17 09:31, Miaohe Lin wrote:
> >
> >> IMHO, it might not be suitable to use EAGAIN. Because it means
> >> "Resource temporarily unavailable" and
> >> this can be solved by simply retry later without any further actions
> >> taken. But I might be wrong.
> >
> > We usually use 'EOPNOTSUPP' when we fail due to a setting not being set.
> > EPERM is more for a capability matter.
Agreed. Let's use 'EOPNOTSUPP' here ;)
Thanks,
Lance
>
> Thanks Oscar. So we should return EOPNOTSUPP here.
>
> Thanks.
> .
next prev parent reply other threads:[~2024-06-17 10:34 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-06-11 21:55 [PATCH v2 0/3] Userspace controls soft-offline pages Jiaqi Yan
2024-06-11 21:55 ` [PATCH v2 1/3] mm/memory-failure: userspace controls soft-offlining pages Jiaqi Yan
2024-06-14 3:28 ` Miaohe Lin
2024-06-14 16:40 ` Jiaqi Yan
2024-06-14 8:35 ` Lance Yang
2024-06-14 16:30 ` Jiaqi Yan
2024-06-17 7:31 ` Miaohe Lin
2024-06-17 7:51 ` Oscar Salvador
2024-06-17 8:16 ` Miaohe Lin
2024-06-17 10:34 ` Lance Yang [this message]
2024-06-17 15:42 ` Jiaqi Yan
2024-06-11 21:55 ` [PATCH v2 2/3] selftest/mm: test enable_soft_offline behaviors Jiaqi Yan
2024-06-14 3:50 ` Miaohe Lin
2024-06-14 19:36 ` Jiaqi Yan
2024-06-11 21:55 ` [PATCH v2 3/3] docs: mm: add enable_soft_offline sysctl Jiaqi Yan
2024-06-12 0:25 ` David Rientjes
2024-06-14 23:15 ` Jiaqi Yan
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