linux-kernel - Re: [PATCH] Documentation: riscv: tableize memory layout

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Message-ID: <aebae1eb-ed56-00a9-101f-c4e5ab0af91a@gmail.com>
Date:   Mon, 7 Nov 2022 09:55:31 +0700
From:   Bagas Sanjaya <bagasdotme@...il.com>
To:     Conor Dooley <conor@...nel.org>
Cc:     linux-doc@...r.kernel.org, linux-riscv@...ts.infradead.org,
        linux-kernel@...r.kernel.org, Jonathan Corbet <corbet@....net>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Alexandre Ghiti <alexandre.ghiti@...onical.com>
Subject: Re: [PATCH] Documentation: riscv: tableize memory layout

On 11/6/22 18:22, Conor Dooley wrote:
>> +   +------------------+---------+------------------+---------+----------------------------------------------------------+
>> +   |    Start addr    | Offset  |     End addr     |  Size   | VM area description                                      |
>> +   +==================+=========+==================+=========+==========================================================+
>> +   | 0000000000000000 |    0    | 0000003fffffffff | 256 GB  | user-space virtual memory, different per mm              |
>> +   +------------------+---------+------------------+---------+----------------------------------------------------------+
>> +   | 0000004000000000 | +256 GB | ffffffbfffffffff | ~16M TB | ... huge, almost 64 bits wide hole of non-canonical      |
>> +   |                  |         |                  |         | virtual memory addresses up to the -256 GB               |
>> +   |                  |         |                  |         | starting offset of kernel mappings.                      |
>> +   +------------------+---------+------------------+---------+----------------------------------------------------------+
>> +   |                             Kernel-space virtual memory, shared between all processes:                             |
>> +   +------------------+---------+------------------+---------+----------------------------------------------------------+
>> +   | ffffffc6fee00000 | -228 GB | ffffffc6feffffff | 2 MB    | fixmap                                                   |
>> +   +------------------+---------+------------------+---------+----------------------------------------------------------+
>> +   | ffffffc6ff000000 | -228 GB | ffffffc6ffffffff | 16 MB   | PCI io                                                   |
>> +   +------------------+---------+------------------+---------+----------------------------------------------------------+
>                                                         ^
> Will these numbers remain right-aligned in the formatted doc? They were
> aligned before in the text form & no longer appear to be.
> 

These numbers also become wrapped in their cells.

However, in order to fix alignment of these, custom CSS is needed, similar
to one in StackOverflow [1].

[1]: https://stackoverflow.com/a/7351383

Thanks.

-- 
An old man doll... just what I always wanted! - Clara