linux-ext4 - Re: [PATCH v9 06/14] mm/gup: migrate device coherent pages when pinning instead of failing

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Message-Id: <20220718133235.4fdbd6ec303219e5a3ba49cf@linux-foundation.org>
Date:   Mon, 18 Jul 2022 13:32:35 -0700
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     David Hildenbrand <david@...hat.com>
Cc:     Alex Sierra <alex.sierra@....com>, jgg@...dia.com,
        Felix.Kuehling@....com, linux-mm@...ck.org, rcampbell@...dia.com,
        linux-ext4@...r.kernel.org, linux-xfs@...r.kernel.org,
        amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        hch@....de, jglisse@...hat.com, apopple@...dia.com,
        willy@...radead.org
Subject: Re: [PATCH v9 06/14] mm/gup: migrate device coherent pages when
 pinning instead of failing

On Mon, 18 Jul 2022 12:56:29 +0200 David Hildenbrand <david@...hat.com> wrote:

> >  		/*
> >  		 * Try to move out any movable page before pinning the range.
> >  		 */
> > @@ -1919,7 +1948,8 @@ static long check_and_migrate_movable_pages(unsigned long nr_pages,
> >  				    folio_nr_pages(folio));
> >  	}
> >  
> > -	if (!list_empty(&movable_page_list) || isolation_error_count)
> > +	if (!list_empty(&movable_page_list) || isolation_error_count
> > +		|| coherent_pages)
> 
> The common style is to
> 
> a) add the || to the end of the previous line
> b) indent such the we have a nice-to-read alignment
> 
> if (!list_empty(&movable_page_list) || isolation_error_count ||
>     coherent_pages)
> 

I missed that.  This series is now in mm-stable so any fix will need to
be a standalone followup patch, please.

> Apart from that lgtm.
> 
> Reviewed-by: David Hildenbrand <david@...hat.com>

And your reviewed-by's will be lost.  Stupid git.