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From:   Michael Ellerman <mpe@ellerman.id.au>
To:     Bagas Sanjaya <bagasdotme@gmail.com>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Linux PowerPC <linuxppc-dev@lists.ozlabs.org>,
        Linux Memory Management List <linux-mm@kvack.org>,
        Linux Regressions <regressions@lists.linux.dev>
Cc:     "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
        Zi Yan <ziy@nvidia.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        doru iorgulescu <doru.iorgulescu1@gmail.com>,
        Nicholas Piggin <npiggin@gmail.com>,
        Christophe Leroy <christophe.leroy@csgroup.eu>,
        Fabiano Rosas <farosas@linux.ibm.com>,
        Athira Rajeev <atrajeev@linux.vnet.ibm.com>,
        Disha Goel <disgoel@linux.vnet.ibm.com>
Subject: Re: Fwd: ./include/linux/mmzone.h:1735:2: error: #error Allocator
 MAX_ORDER exceeds SECTION_SIZE (v6.4-rc3 build regression)
In-Reply-To: <5d22e1e9-0307-3664-8b4a-99caaaaa4315@gmail.com>
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 <5d22e1e9-0307-3664-8b4a-99caaaaa4315@gmail.com>
Date:   Thu, 25 May 2023 01:03:22 +1000
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Bagas Sanjaya <bagasdotme@gmail.com> writes:
> On 5/24/23 17:58, Bagas Sanjaya wrote:
>> Anyway, I'm adding it to regzbot:
>> 
>> #regzbot introduced: 23baf831a32c04f https://bugzilla.kernel.org/show_bug.cgi?id=217477
>> #regzbot title: Allocator MAX_ORDER exceeds SECTION_SIZE caused by MAX_ORDER redefinition
>> 
>
> From bugzilla [1], the reporter had successfully tried the proposed
> kernel config fix, so:
>
> #regzbot resolve: reducing CONFIG_ARCH_FORCE_MAX_ORDER to 8 resolves the regression

Should be fixed properly by:

https://patchwork.ozlabs.org/project/linuxppc-dev/patch/20230519113806.370635-1-mpe@ellerman.id.au/

Which is in powerpc-fixes as 358e526a1648.

cheers