[PATCH v3] arm64: Expose the end of the linear map in PHYSMEM_END

[Will Deacon]

On Tue, 03 Sep 2024 09:45:32 -0700, D Scott Phillips wrote:
> The memory hot-plug and resource management code needs to know the
> largest address which can fit in the linear map, so set
> PHYSMEM_END for that purpose.
> 
> This fixes a crash[1] at boot when amdgpu tries to create
> DEVICE_PRIVATE_MEMORY and is given a physical address by the
> resource management code which is outside the range which can have
> a `struct page`
> 
> [...]

Applied to arm64 (for-next/mm), thanks!

I dropped the cc: stable, however, as PHYSMEM_END looks like it only
exists in linux-next.

[1/1] arm64: Expose the end of the linear map in PHYSMEM_END
      https://git.kernel.org/arm64/c/eeb8fdfcf090

Cheers,
-- 
Will

https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev