linux-kernel - Re: linux-next: build failure after merge of the akpm-current tree

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Date:   Tue, 12 Nov 2019 10:12:25 -0800
From:   Mike Kravetz <mike.kravetz@...cle.com>
To:     Michael Ellerman <mpe@...erman.id.au>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>
Subject: Re: linux-next: build failure after merge of the akpm-current tree

On 11/11/19 4:59 PM, Michael Ellerman wrote:
> Michael Ellerman <mpe@...erman.id.au> writes:
>>
>> Mike Kravetz <mike.kravetz@...cle.com> writes:
>>> On 11/5/19 2:19 AM, Stephen Rothwell wrote:
> ...
>>> From 4b3ab017e639e4e583fff801e6d8e6727b7877e8 Mon Sep 17 00:00:00 2001
>>> From: Mike Kravetz <mike.kravetz@...cle.com>
>>> Date: Tue, 5 Nov 2019 15:12:15 -0800
>>> Subject: [PATCH] powerpc/mm: remove pmd_huge/pud_huge stubs and include
>>>  hugetlb.h
>>>
>>> This removes the power specific stubs created by commit aad71e3928be
>>> ("powerpc/mm: Fix build break with RADIX=y & HUGETLBFS=n") used when
>>> !CONFIG_HUGETLB_PAGE.  Instead, it addresses the build break by
>>> getting the definitions from <linux/hugetlb.h>.
>>>
>>> Signed-off-by: Mike Kravetz <mike.kravetz@...cle.com>
>>> ---
>>>  arch/powerpc/include/asm/book3s/64/pgtable-4k.h  | 3 ---
>>>  arch/powerpc/include/asm/book3s/64/pgtable-64k.h | 3 ---
>>>  arch/powerpc/mm/book3s64/radix_pgtable.c         | 1 +
>>>  3 files changed, 1 insertion(+), 6 deletions(-)
>>
>> The two pgtable headers are included eventually by our top-level
>> pgtable.h, and that is included by over 100 files. So I worry this is
>> going to break the build somewhere in some obscure configuration.
>>
>> I'll push it through some test builds and see what happens.
> 
> Seems OK, it didn't introduce any new build failures.
> 
> Acked-by: Michael Ellerman <mpe@...erman.id.au>
>

Thank you Michael!

I'll add it to the other patch as a 'proper series' so this can be a
requisite patch for the other.

-- 
Mike Kravetz