linux-kernel - Re: [PATCH] mm/sparsemem: Cleanup 'section number' data types

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Date:   Fri, 21 Jun 2019 17:04:45 +0200
From:   David Hildenbrand <david@...hat.com>
To:     Matthew Wilcox <willy@...radead.org>,
        Dan Williams <dan.j.williams@...el.com>
Cc:     akpm@...ux-foundation.org, Michal Hocko <mhocko@...e.com>,
        Oscar Salvador <osalvador@...e.de>, linux-mm@...ck.org,
        linux-nvdimm@...ts.01.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mm/sparsemem: Cleanup 'section number' data types

On 21.06.19 16:58, Matthew Wilcox wrote:
> On Thu, Jun 20, 2019 at 05:06:46PM -0700, Dan Williams wrote:
>> David points out that there is a mixture of 'int' and 'unsigned long'
>> usage for section number data types. Update the memory hotplug path to
>> use 'unsigned long' consistently for section numbers.
> 
> ... because we're seriously considering the possibility that we'll need
> more than 4 billion sections?
> 

To make it consistent ;)

-- 

Thanks,

David / dhildenb