linux-kernel - Re: [PATCH] mips: sgi-ip27: switch from DISCONTIGMEM to SPARSEMEM

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Message-ID: <D0D37105-8A90-410F-B912-BA473A958C73@kernel.org>
Date:   Thu, 12 Sep 2019 16:58:45 +0100
From:   Mike Rapoport <rppt@...nel.org>
To:     Thomas Bogendoerfer <tsbogend@...ha.franken.de>
CC:     Paul Burton <paul.burton@...s.com>, linux-mips@...r.kernel.org,
        linux-kernel@...r.kernel.org, Mike Rapoport <rppt@...ux.ibm.com>
Subject: Re: [PATCH] mips: sgi-ip27: switch from DISCONTIGMEM to SPARSEMEM

On September 12, 2019 3:09:12 PM GMT+01:00, Thomas Bogendoerfer <tsbogend@...ha.franken.de> wrote:
>On Thu, Sep 12, 2019 at 03:55:39PM +0200, Thomas Bogendoerfer wrote:
>> - reserved[0xd]	[0x000000035bff8000-0x000000035bffffff],
>0x0000000000008000 bytes flags: 0x0
>> 
>> I have no idea which reservation this is, but it's not from one of
>the
>> node data.
>
>that's sparsemem's mem_section. And 
>
> free_bootmem_with_active_regions(node, end_pfn);
>
>on the last node will free this reserved memory, when memory
>is added node by node. This explains it.
>
>So when resending the patch add my
>
>Tested-by: Thomas Bogendoerfer <tbogendoerfer@...e.de>

I was thinking about co-developed, can add both :)

>Thomas.


-- 
Sincerely yours,
Mike