Re: [PATCH v2 3/4] riscv/mm: fix missing destructor for hotplug PUD tables

[Kevin Brodsky]

On 10/10/2026 13:24, Muchun Song wrote:
> Commit 8472cc4503eb ("riscv: mm: call PUD/P4D ctor in special kernel
> pgtable alloc") made alloc_pud_late() run the PUD page-table
> constructor. However, free_pud_table() still frees non-reserved PUD
> tables directly without decrementing NR_PAGETABLE. Free PUD tables
> through the common free_pgtable_page() helper so that
> constructor-backed tables run the matching destructor before being
> freed. Fixes: 8472cc4503eb ("riscv: mm: call PUD/P4D ctor in special
> kernel pgtable alloc") Cc: stable@vger.kernel.orgAssisted-by: LLM
> Signed-off-by: Muchun Song <songmuchun@xxxxxxxxxxxxx>Acked-by: David
> Hildenbrand (Arm) <david@xxxxxxxxxx>

Reviewed-by: Kevin Brodsky <kevin.brodsky@xxxxxxx>