Re: [PATCH v3 03/11] mm/page_table_check: Batch-check pmds/puds just like ptes

[Catalin Marinas]

On Tue, Mar 04, 2025 at 03:04:33PM +0000, Ryan Roberts wrote:
> Convert page_table_check_p[mu]d_set(...) to
> page_table_check_p[mu]ds_set(..., nr) to allow checking a contiguous set
> of pmds/puds in single batch. We retain page_table_check_p[mu]d_set(...)
> as macros that call new batch functions with nr=1 for compatibility.
> 
> arm64 is about to reorganise its pte/pmd/pud helpers to reuse more code
> and to allow the implementation for huge_pte to more efficiently set
> ptes/pmds/puds in batches. We need these batch-helpers to make the
> refactoring possible.
> 
> Reviewed-by: Anshuman Khandual <anshuman.khandual@xxxxxxx>
> Signed-off-by: Ryan Roberts <ryan.roberts@xxxxxxx>

Reviewed-by: Catalin Marinas <catalin.marinas@xxxxxxx>