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

From: Mike Kravetz
Date: Tue Nov 12 2019 - 13:12:54 EST


On 11/11/19 4:59 PM, Michael Ellerman wrote:
> Michael Ellerman <mpe@xxxxxxxxxxxxxx> writes:
>>
>> Mike Kravetz <mike.kravetz@xxxxxxxxxx> 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@xxxxxxxxxx>
>>> 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@xxxxxxxxxx>
>>> ---
>>> 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@xxxxxxxxxxxxxx>
>

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