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Message-ID: <dfa52bbe-ed5d-41e6-a1e0-fe1981b936e8@csgroup.eu>
Date: Thu, 25 Jan 2024 21:27:02 +0000
From: Christophe Leroy <christophe.leroy@...roup.eu>
To: David Hildenbrand <david@...hat.com>, "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>
CC: "linux-mm@...ck.org" <linux-mm@...ck.org>, Andrew Morton
	<akpm@...ux-foundation.org>, Matthew Wilcox <willy@...radead.org>, Ryan
 Roberts <ryan.roberts@....com>, Russell King <linux@...linux.org.uk>, Catalin
 Marinas <catalin.marinas@....com>, Will Deacon <will@...nel.org>, Dinh Nguyen
	<dinguyen@...nel.org>, Michael Ellerman <mpe@...erman.id.au>, Nicholas Piggin
	<npiggin@...il.com>, Aneesh Kumar K.V <aneesh.kumar@...nel.org>, "Naveen N.
 Rao" <naveen.n.rao@...ux.ibm.com>, Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>,
	Alexander Gordeev <agordeev@...ux.ibm.com>, Gerald Schaefer
	<gerald.schaefer@...ux.ibm.com>, Heiko Carstens <hca@...ux.ibm.com>, Vasily
 Gorbik <gor@...ux.ibm.com>, Christian Borntraeger
	<borntraeger@...ux.ibm.com>, Sven Schnelle <svens@...ux.ibm.com>, "David S.
 Miller" <davem@...emloft.net>, "linux-arm-kernel@...ts.infradead.org"
	<linux-arm-kernel@...ts.infradead.org>, "linuxppc-dev@...ts.ozlabs.org"
	<linuxppc-dev@...ts.ozlabs.org>, "linux-riscv@...ts.infradead.org"
	<linux-riscv@...ts.infradead.org>, "linux-s390@...r.kernel.org"
	<linux-s390@...r.kernel.org>, "sparclinux@...r.kernel.org"
	<sparclinux@...r.kernel.org>
Subject: Re: [PATCH v2 04/15] powerpc/pgtable: define PFN_PTE_SHIFT



Le 25/01/2024 à 20:32, David Hildenbrand a écrit :
> We want to make use of pte_next_pfn() outside of set_ptes(). Let's
> simply define PFN_PTE_SHIFT, required by pte_next_pfn().
> 
> Signed-off-by: David Hildenbrand <david@...hat.com>

Reviewed-by: Christophe Leroy <christophe.leroy@...roup.eu>

> ---
>   arch/powerpc/include/asm/pgtable.h | 2 ++
>   1 file changed, 2 insertions(+)
> 
> diff --git a/arch/powerpc/include/asm/pgtable.h b/arch/powerpc/include/asm/pgtable.h
> index 9224f23065fff..7a1ba8889aeae 100644
> --- a/arch/powerpc/include/asm/pgtable.h
> +++ b/arch/powerpc/include/asm/pgtable.h
> @@ -41,6 +41,8 @@ struct mm_struct;
>   
>   #ifndef __ASSEMBLY__
>   
> +#define PFN_PTE_SHIFT		PTE_RPN_SHIFT
> +
>   void set_ptes(struct mm_struct *mm, unsigned long addr, pte_t *ptep,
>   		pte_t pte, unsigned int nr);
>   #define set_ptes set_ptes

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