Re: [PATCH v9 03/12] x86/mm: consolidate full flush threshold decision

[Brendan Jackman <jackmanb@xxxxxxxxxx>]

On Thu, 6 Feb 2025 at 05:45, Rik van Riel <riel@xxxxxxxxxxx> wrote:
> @@ -1276,7 +1282,7 @@ void arch_tlbbatch_flush(struct arch_tlbflush_unmap_batch *batch)
>
>         int cpu = get_cpu();
>
> -       info = get_flush_tlb_info(NULL, 0, TLB_FLUSH_ALL, 0, false,
> +       info = get_flush_tlb_info(NULL, 0, TLB_FLUSH_ALL, PAGE_SHIFT, false,
>                                   TLB_GENERATION_INVALID);

[Why] do we need this change? If it's necessary here, why isn't it
needed everywhere else that does TLB_FLUSH_ALL too, like
flush_tlb_mm()?