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From: Christian Dietrich <christian.dietrich@tuhh.de>
To: Mike Rapoport <rppt@kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>
Cc: Mike Rapoport <rppt@kernel.org>,
	Mike Rapoport <rppt@linux.ibm.com>,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	stable@vger.kernel.org
Subject: Re: [PATCH] mm/pgtable: define pte_index so that preprocessor could recognize it
Date: Tue, 11 Jan 2022 16:20:34 +0100	[thread overview]
Message-ID: <s7bzgo2cn99.fsf@dokucode.de> (raw)
In-Reply-To: <20220111145457.20748-1-rppt@kernel.org>

Hello Mike!

Mike Rapoport <rppt@kernel.org> [11. Januar 2022]:

> diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h
> index e24d2c992b11..d468efcf48f4 100644
> --- a/include/linux/pgtable.h
> +++ b/include/linux/pgtable.h
> @@ -62,6 +62,7 @@ static inline unsigned long pte_index(unsigned long address)
>  {
>  	return (address >> PAGE_SHIFT) & (PTRS_PER_PTE - 1);
>  }
> +#define pte_index pte_index

Wouldn't it make sense to remove the dead CPP blocks (#ifdef pte_index)
from mm/memory.c? Or is there a case were pte_index is not defined for
an architecture?

chris
-- 
Prof. Dr.-Ing. Christian Dietrich
Operating System Group (E-EXK4)
Technische Universität Hamburg
Am Schwarzenberg-Campus 3 (E), 4.092
21073 Hamburg

eMail:  christian.dietrich@tuhh.de
Tel:    +49 40 42878 2188
WWW:    https://osg.tuhh.de/


  reply	other threads:[~2022-01-11 15:20 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-11 14:54 [PATCH] mm/pgtable: define pte_index so that preprocessor could recognize it Mike Rapoport
2022-01-11 15:20 ` Christian Dietrich [this message]
2022-01-11 17:10   ` Mike Rapoport
2022-01-11 18:44 ` Khalid Aziz

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