linux-kernel - Re: [PATCH v1 2/6] mm/page_isolation: don't dump_page(NULL) in set_migratetype

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Date:   Wed, 29 Jul 2020 20:41:34 +0200
From:   David Hildenbrand <david@...hat.com>
To:     Mike Kravetz <mike.kravetz@...cle.com>
Cc:     David Hildenbrand <david@...hat.com>, linux-kernel@...r.kernel.org,
        virtualization@...ts.linux-foundation.org, linux-mm@...ck.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        Michal Hocko <mhocko@...e.com>,
        "Michael S.Tsirkin" <mst@...hat.com>
Subject: Re: [PATCH v1 2/6] mm/page_isolation: don't dump_page(NULL) in set_migratetype_isolate()



> Am 29.07.2020 um 20:36 schrieb Mike Kravetz <mike.kravetz@...cle.com>:
> 
> On 7/29/20 11:08 AM, David Hildenbrand wrote:
>> I have no clue what you mean with "reintroducing this abandoning of
>> pageblocks". All this patch is changing is not doing the dump_page() -
>> or am I missing something important?
> 
> My apologies!!!
> 

No worries, thanks for reviewing!!

> I got confused when I saw 'Return -EBUSY' removed from the comment and
> assumed the code would not return an error code.  The code now more
> explicitly does return -EBUSY.  My concern was when I incorrectly thought
> you were removing the error return code.  Sorry for the noise.
> 
> Acked-by: Mike Kravetz <mike.kravetz@...cle.com>
> -- 
> Mike Kravetz
>