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

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Message-ID: <ZIakyrbyENaIjS9q@infradead.org>
Date:   Sun, 11 Jun 2023 21:53:30 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Mika Penttilä <mpenttil@...hat.com>
Cc:     Christoph Hellwig <hch@...radead.org>,
        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 Wed, Jun 07, 2023 at 07:06:06PM +0300, Mika Penttilä wrote:
> 
> 
> 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..?

Sorry, this should be 73.