linux-kernel - Re: [RFC 1/2] lib/vsprintf: Add support for pte

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Message-ID: <b589b96f-a771-42f1-b14a-0f90db9fb55e@redhat.com>
Date: Wed, 18 Jun 2025 10:18:13 +0200
From: David Hildenbrand <david@...hat.com>
To: Anshuman Khandual <anshuman.khandual@....com>, linux-mm@...ck.org
Cc: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
 Rasmus Villemoes <linux@...musvillemoes.dk>,
 Sergey Senozhatsky <senozhatsky@...omium.org>, Petr Mladek
 <pmladek@...e.com>, Steven Rostedt <rostedt@...dmis.org>,
 Jonathan Corbet <corbet@....net>, Andrew Morton <akpm@...ux-foundation.org>,
 linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org
Subject: Re: [RFC 1/2] lib/vsprintf: Add support for pte_t

On 18.06.25 06:12, Anshuman Khandual wrote:
> Add a new format for printing page table entries.
> 
> Cc: Petr Mladek <pmladek@...e.com>
> Cc: Steven Rostedt <rostedt@...dmis.org>
> Cc: Jonathan Corbet <corbet@....net>
> Cc: Andrew Morton <akpm@...ux-foundation.org>
> Cc: David Hildenbrand <david@...hat.com>
> Cc: linux-doc@...r.kernel.org
> Cc: linux-kernel@...r.kernel.org
> Cc: linux-mm@...ck.org
> Signed-off-by: Anshuman Khandual <anshuman.khandual@....com>
> ---
>   Documentation/core-api/printk-formats.rst | 14 ++++++++++++++
>   lib/vsprintf.c                            | 20 ++++++++++++++++++++
>   mm/memory.c                               |  5 ++---
>   scripts/checkpatch.pl                     |  2 +-
>   4 files changed, 37 insertions(+), 4 deletions(-)
> 
> diff --git a/Documentation/core-api/printk-formats.rst b/Documentation/core-api/printk-formats.rst
> index 4b7f3646ec6ce..75a110b059ee1 100644
> --- a/Documentation/core-api/printk-formats.rst
> +++ b/Documentation/core-api/printk-formats.rst
> @@ -689,6 +689,20 @@ Rust
>   Only intended to be used from Rust code to format ``core::fmt::Arguments``.
>   Do *not* use it from C.
>   
> +Page Table Entry
> +----------------
> +
> +::
> +        %ppte
> +
> +Print standard page table entry pte_t.
> +
> +Passed by reference.

Curious, why the decision to pass by reference?


-- 
Cheers,

David / dhildenb