Re: [PATCH v7 22/41] mm/mmap: Add shadow stack pages to memory accounting

[Borislav Petkov]

On Mon, Feb 27, 2023 at 02:29:38PM -0800, Rick Edgecombe wrote:
> From: Yu-cheng Yu <yu-cheng.yu@xxxxxxxxx>
> 
> The x86 Control-flow Enforcement Technology (CET) feature includes a new
> type of memory called shadow stack. This shadow stack memory has some
> unusual properties, which requires some core mm changes to function
> properly.
> 
> Account shadow stack pages to stack memory. Do this by adding a
> VM_SHADOW_STACK check in is_stack_mapping().

That last sentence is superfluous.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette