From: Randy Dunlap <rdunlap@infradead.org>
To: Andrew Morton <akpm@linux-foundation.org>,
Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: broonie@kernel.org, linux-fsdevel@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
linux-next@vger.kernel.org, mhocko@suse.cz,
mm-commits@vger.kernel.org, sfr@canb.auug.org.au
Subject: Re: mmotm 2021-05-12-21-46 uploaded (arch/x86/mm/pgtable.c)
Date: Thu, 13 May 2021 14:08:29 -0700 [thread overview]
Message-ID: <a3ac0b42-f779-ffaf-c6d7-0d4b40dc25f2@infradead.org> (raw)
In-Reply-To: <20210513134754.ab3f1a864b0156ef99248401@linux-foundation.org>
On 5/13/21 1:47 PM, Andrew Morton wrote:
> On Thu, 13 May 2021 19:09:23 +0200 Christophe Leroy <christophe.leroy@csgroup.eu> wrote:
>
>>
>>
>>> on i386:
>>>
>>> ../arch/x86/mm/pgtable.c:703:5: error: redefinition of ‘pud_set_huge’
>>> int pud_set_huge(pud_t *pud, phys_addr_t addr, pgprot_t prot)
>>> ^~~~~~~~~~~~
>>> In file included from ../include/linux/mm.h:33:0,
>>> from ../arch/x86/mm/pgtable.c:2:
>>> ../include/linux/pgtable.h:1387:19: note: previous definition of ‘pud_set_huge’ was here
>>> static inline int pud_set_huge(pud_t *pud, phys_addr_t addr, pgprot_t prot)
>>> ^~~~~~~~~~~~
>>> ../arch/x86/mm/pgtable.c:758:5: error: redefinition of ‘pud_clear_huge’
>>> int pud_clear_huge(pud_t *pud)
>>> ^~~~~~~~~~~~~~
>>> In file included from ../include/linux/mm.h:33:0,
>>> from ../arch/x86/mm/pgtable.c:2:
>>> ../include/linux/pgtable.h:1391:19: note: previous definition of ‘pud_clear_huge’ was here
>>> static inline int pud_clear_huge(pud_t *pud)
>>> ^~~~~~~~~~~~~~
>>
>> Hum ...
>>
>> Comes from my patch
>> https://patchwork.ozlabs.org/project/linuxppc-dev/patch/5ac5976419350e8e048d463a64cae449eb3ba4b0.1620795204.git.christophe.leroy@csgroup.eu/
>>
>> But, that happens only if x86 defines __PAGETABLE_PUD_FOLDED. And if PUD is folded, then I can't
>> understand my it has pud_set_huge() and pud_clear_huge() functions.
>
> Probably because someone messed something up ;)
>
> Let's try this.
>
> --- a/arch/x86/mm/pgtable.c~mm-pgtable-add-stubs-for-pmd-pub_set-clear_huge-fix
> +++ a/arch/x86/mm/pgtable.c
That also works_for_me.
Acked-by: Randy Dunlap <rdunlap@infradead.org> # build-tested
thanks.
--
~Randy
next prev parent reply other threads:[~2021-05-13 21:08 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-13 4:47 mmotm 2021-05-12-21-46 uploaded akpm
2021-05-13 5:28 ` mmotm 2021-05-12-21-46 uploaded (mm/memory_failure.c) Randy Dunlap
2021-05-13 5:36 ` HORIGUCHI NAOYA(堀口 直也)
2021-05-13 15:54 ` mmotm 2021-05-12-21-46 uploaded (arch/x86/mm/pgtable.c) Randy Dunlap
2021-05-13 17:09 ` Christophe Leroy
2021-05-13 20:47 ` Andrew Morton
2021-05-13 21:08 ` Randy Dunlap [this message]
2021-05-14 9:45 ` Naresh Kamboju
2021-05-14 21:40 ` Andrew Morton
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