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

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Message-ID: <adb2031b-774d-e645-2aec-f9de433b0a7c@amd.com>
Date:   Mon, 25 Jul 2022 21:22:06 -0500
From:   "Sierra Guiza, Alejandro (Alex)" <alex.sierra@....com>
To:     Andrew Morton <akpm@...ux-foundation.org>,
        David Hildenbrand <david@...hat.com>
Cc:     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 7/18/2022 3:32 PM, Andrew Morton wrote:
> 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.
Hi Andrew,
Just wanted to make sure nothing is missing from our side to merge this 
patch series.

Regards,
Alex Sierra
>
>> Apart from that lgtm.
>>
>> Reviewed-by: David Hildenbrand <david@...hat.com>
> And your reviewed-by's will be lost.  Stupid git.