linux-kernel - Re: [PATCH v1 04/11] mm/memory_hotplug: simplify offlining of pages in offline

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Message-ID: <3a8c7fab-f7f8-faa2-a1e5-a17e22d9bdc0@redhat.com>
Date:   Wed, 19 Aug 2020 14:44:09 +0200
From:   David Hildenbrand <david@...hat.com>
To:     Michal Hocko <mhocko@...e.com>
Cc:     linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        Wei Yang <richard.weiyang@...ux.alibaba.com>,
        Baoquan He <bhe@...hat.com>,
        Pankaj Gupta <pankaj.gupta.linux@...il.com>,
        Oscar Salvador <osalvador@...e.de>
Subject: Re: [PATCH v1 04/11] mm/memory_hotplug: simplify offlining of pages
 in offline_pages()

On 19.08.20 14:40, Michal Hocko wrote:
> On Wed 19-08-20 12:11:50, David Hildenbrand wrote:
>> We make sure that we cannot have any memory holes right at the beginning
>> of offline_pages(). We no longer need walk_system_ram_range() and can
>> call __offline_isolated_pages() directly.
>>
>> offlined_pages always corresponds to nr_pages, so we can simplify that.
> 
> I would probably fold this into the previous patch as they are dealing
> with the same thing.

Will do, shouldn't harm readability. Thanks!

---
Thanks,

David / dhildenb