linux-kernel - Re: [PATCH v1] mm/memory_hotplug: don't check the nid in find_(smallest|biggest)_section

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Message-Id: <270C2A1D-25B0-4BC5-A521-9EEADF3A6B75@lca.pw>
Date:   Thu, 28 Nov 2019 09:30:29 -0500
From:   Qian Cai <cai@....pw>
To:     David Hildenbrand <david@...hat.com>
Cc:     linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        Michal Hocko <mhocko@...nel.org>,
        Oscar Salvador <osalvador@...e.de>
Subject: Re: [PATCH v1] mm/memory_hotplug: don't check the nid in find_(smallest|biggest)_section_pfn



> On Nov 28, 2019, at 9:03 AM, David Hildenbrand <david@...hat.com> wrote:
> 
> That's why we have linux-next and plenty of people playing with it
> (including you and me for example).

As mentioned, it is an expensive development practice. Once a patch was merged into linux-next, it becomes someone else’s problems because if nobody flags it as problematic, all it needs is a good eye review and some time before it gets merged into mainline eventually.