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From: Oscar Salvador <osalvador@suse.de>
To: Miaohe Lin <linmiaohe@huawei.com>
Cc: 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,
	Lance Yang <ioworker0@gmail.com>
Subject: Re: [PATCH v2 1/3] mm/memory-failure: userspace controls soft-offlining pages
Date: Mon, 17 Jun 2024 09:51:01 +0200	[thread overview]
Message-ID: <ea8c5e390bd18c532b768dd9eeaa105a@suse.de> (raw)
In-Reply-To: <786a08ff-aa7e-49d5-f589-0a405c7e1a34@huawei.com>

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.


-- 
Oscar Salvador
SUSE Labs


  reply	other threads:[~2024-06-17  7:51 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 [this message]
2024-06-17  8:16           ` Miaohe Lin
2024-06-17 10:34             ` Lance Yang
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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