Re: [PATCH 1/5] mm: Introduce vm_mmap_shadow_stack() as a helper for VM_SHADOW_STACK mappings

On Tue, Feb 24, 2026 at 05:57:53PM +0000, Catalin Marinas wrote:

arm64, riscv and x86 use a similar pattern for mapping the user shadow
stack (cloned from x86). Extract this into a helper to facilitate code
reuse.

Thanks for following up on factoring this out.  This looks good to me,
with or without the removal of the ifdefs that Rick suggested:

Reviewed-by: Mark Brown <broonie@kernel.org>