On Mon, 2022-09-26 at 07:57 +0000, Nicholas Miehlbradt wrote:
> KFENCE support was added for ppc32 in commit 90cbac0e995d
> ("powerpc: Enable KFENCE for PPC32").
> Enable KFENCE on ppc64 architecture with hash and radix MMUs.
> It uses the same mechanism as debug pagealloc to
> protect/unprotect pages. All KFENCE kunit tests pass on both
> MMUs.
> 
> KFENCE memory is initially allocated using memblock but is
> later marked as SLAB allocated. This necessitates the change
> to __pud_free to ensure that the KFENCE pages are freed
> appropriately.
> 
> Based on previous work by Christophe Leroy and Jordan Niethe.
> 
> Signed-off-by: Nicholas Miehlbradt <nicho...@linux.ibm.com>

LGTM.  For the whole series:

Reviewed-by: Russell Currey <rus...@russell.cc>

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