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* [PATCH 1/2] doc: Fix typo in Documentation/riscv/vm-layout
@ 2021-09-12 15:51 Leo Yu-Chi Liang
  2021-09-13 15:57 ` Alexandre ghiti
  0 siblings, 1 reply; 2+ messages in thread
From: Leo Yu-Chi Liang @ 2021-09-12 15:51 UTC (permalink / raw)
  To: corbet, alex, linux-kernel, linux-doc, linux-doc-tw-discuss
  Cc: ycliang, ycliang

From: Leo Yu-Chi Liang <ycliang@cs.nctu.edu.tw>

Fix a typo of the End Addr field for `direct mapping` section.

The value 0xffffffff7fffffff - 0xffffffe000000000 is 126 GB
and is not equal to value in the size field.

Update the value to make sense of the memory layout table.

Signed-off-by: Leo Yu-Chi Liang <ycliang@cs.nctu.edu.tw>
---
 Documentation/riscv/vm-layout.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/riscv/vm-layout.rst b/Documentation/riscv/vm-layout.rst
index b7f98930d38d..2525cf0d6794 100644
--- a/Documentation/riscv/vm-layout.rst
+++ b/Documentation/riscv/vm-layout.rst
@@ -52,7 +52,7 @@ RISC-V Linux Kernel SV39
    ffffffceff000000 | -196    GB | ffffffceffffffff |   16 MB | PCI io
    ffffffcf00000000 | -196    GB | ffffffcfffffffff |    4 GB | vmemmap
    ffffffd000000000 | -192    GB | ffffffdfffffffff |   64 GB | vmalloc/ioremap space
-   ffffffe000000000 | -128    GB | ffffffff7fffffff |  124 GB | direct mapping of all physical memory
+   ffffffe000000000 | -128    GB | fffffffeffffffff |  124 GB | direct mapping of all physical memory
   __________________|____________|__________________|_________|____________________________________________________________
                                                               |
                                                               |
-- 
2.25.1


^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: [PATCH 1/2] doc: Fix typo in Documentation/riscv/vm-layout
  2021-09-12 15:51 [PATCH 1/2] doc: Fix typo in Documentation/riscv/vm-layout Leo Yu-Chi Liang
@ 2021-09-13 15:57 ` Alexandre ghiti
  0 siblings, 0 replies; 2+ messages in thread
From: Alexandre ghiti @ 2021-09-13 15:57 UTC (permalink / raw)
  To: Leo Yu-Chi Liang, corbet, linux-kernel, linux-doc,
	linux-doc-tw-discuss, linux-riscv
  Cc: ycliang

(+cc linux-riscv)

On 9/12/21 5:51 PM, Leo Yu-Chi Liang wrote:
> From: Leo Yu-Chi Liang <ycliang@cs.nctu.edu.tw>
>
> Fix a typo of the End Addr field for `direct mapping` section.
>
> The value 0xffffffff7fffffff - 0xffffffe000000000 is 126 GB
> and is not equal to value in the size field.
>
> Update the value to make sense of the memory layout table.
>
> Signed-off-by: Leo Yu-Chi Liang <ycliang@cs.nctu.edu.tw>
> ---
>  Documentation/riscv/vm-layout.rst | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/Documentation/riscv/vm-layout.rst b/Documentation/riscv/vm-layout.rst
> index b7f98930d38d..2525cf0d6794 100644
> --- a/Documentation/riscv/vm-layout.rst
> +++ b/Documentation/riscv/vm-layout.rst
> @@ -52,7 +52,7 @@ RISC-V Linux Kernel SV39
>     ffffffceff000000 | -196    GB | ffffffceffffffff |   16 MB | PCI io
>     ffffffcf00000000 | -196    GB | ffffffcfffffffff |    4 GB | vmemmap
>     ffffffd000000000 | -192    GB | ffffffdfffffffff |   64 GB | vmalloc/ioremap space
> -   ffffffe000000000 | -128    GB | ffffffff7fffffff |  124 GB | direct mapping of all physical memory
> +   ffffffe000000000 | -128    GB | fffffffeffffffff |  124 GB | direct mapping of all physical memory
>    __________________|____________|__________________|_________|____________________________________________________________
>                                                                |
>                                                                |

You're right, thanks for catching this, you can add:

Reviewed-by: Alexandre Ghiti <alex@ghiti.fr>

Thanks again,

Alex


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