linux-kernel - Re: [PATCH v6 2/4] Docs/mm: Fix a mistake for pfn in page

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Message-ID: <87o73i3hkp.fsf@trenco.lwn.net>
Date: Thu, 17 Oct 2024 08:55:02 -0600
From: Jonathan Corbet <corbet@....net>
To: Pengyu Zhang <zpenya1314@...il.com>, alexs@...nel.org,
 siyanteng@...ngson.cn, seakeel@...il.com, si.yanteng@...ux.dev
Cc: linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
 yaxin_wang_uestc@....com, zenghui.yu@...ux.dev, Pengyu Zhang
 <zpenya1314@...il.com>, Mike Rapoport <rppt@...nel.org>, Linus Walleij
 <linus.walleij@...aro.org>
Subject: Re: [PATCH v6 2/4] Docs/mm: Fix a mistake for pfn in page_tables.rst

Pengyu Zhang <zpenya1314@...il.com> writes:

> The documentation incorrectly calculate the pfn value as 0x3fffff,
> which should be 0x3ffff instead. It is obtained by right-shifting
> 0xffffc000 by 14 bits.
>
> This patch corrects the value to prevent any potential confusion
> for developers referencing this document.
>
> Reviewed-by: Mike Rapoport (Microsoft) <rppt@...nel.org>
> Reviewed-by: Linus Walleij <linus.walleij@...aro.org>
> Reviewed-by: Zenghui Yu <zenghui.yu@...ux.dev>
> Reviewed-by: Yanteng Si <si.yanteng@...ux.dev>
> Signed-off-by: Pengyu Zhang <zpenya1314@...il.com>
> ---
> v5->v6:no changed
>  Documentation/mm/page_tables.rst | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

I have already applied this one, there is no need to keep sending it.

jon