Re: [BUG 5.14] arm64/mm: dma memory mapping fails (in some cases)

[Will Deacon]

On Wed, Aug 25, 2021 at 11:20:46AM +0100, Catalin Marinas wrote:
> Given how later we are in the -rc cycle, I suggest we revert Anshuman's
> commit 16c9afc77660 ("arm64/mm: drop HAVE_ARCH_PFN_VALID") and try to
> assess the implications in 5.15 (the patch doesn't seem to have the
> arm64 maintainers' ack anyway ;)).

I'll stick the revert (below) into kernelci now so we can get some coverage
in case it breaks something else.

Will

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