Re: [PATCH] Documentation: riscv: tableize memory layout

From: Conor Dooley
Date: Mon Nov 07 2022 - 02:27:34 EST


On Mon, Nov 07, 2022 at 09:55:31AM +0700, Bagas Sanjaya wrote:
> 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].

Hmm. In that case I'd be inclined to agree with Akira that this should
be left as is.

Thanks,
Conor.