linux-kernel - Re: [PATCH v3] mm/migrate_device: Try to handle swapcache pages

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Message-ID: <20adfaff-054f-ab5e-0ff4-4ce3952fbd58@redhat.com>
Date:   Wed, 7 Jun 2023 19:06:06 +0300
From:   Mika Penttilä <mpenttil@...hat.com>
To:     Christoph Hellwig <hch@...radead.org>
Cc:     linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        Alistair Popple <apopple@...dia.com>,
        John Hubbard <jhubbard@...dia.com>,
        Ralph Campbell <rcampbell@...dia.com>,
        "Huang, Ying" <ying.huang@...el.com>
Subject: Re: [PATCH v3] mm/migrate_device: Try to handle swapcache pages



On 7.6.2023 17.10, Christoph Hellwig wrote:
> On Tue, Jun 06, 2023 at 08:01:49AM +0300, mpenttil@...hat.com wrote:
>> From: Mika Penttilä <mpenttil@...hat.com>
>>
>> Migrating file pages and swapcache pages into device memory is not supported.
>> The decision is done based on page_mapping(). For now, swapcache pages are not migrated.
> 
> Please fix the commit log formatting, it should not exceed 7 lines.

Not sure what you mean should not exceed 7 lines..?