On Thu, Aug 28, 2025 at 12:01:18AM +0200, David Hildenbrand wrote:
> We're allocating a higher-order page from the buddy. For these pages
> (that are guaranteed to not exceed a single memory section) there is no
> need to use nth_page().
>
> Signed-off-by: David Hildenbrand <da...@redhat.com>

Oh hello! Now it all comes together :)

nth_tag():

LGTM, so:

Reviewed-by: Lorenzo Stoakes <lorenzo.stoa...@oracle.com>

> ---
>  mm/percpu-km.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/mm/percpu-km.c b/mm/percpu-km.c
> index fe31aa19db81a..4efa74a495cb6 100644
> --- a/mm/percpu-km.c
> +++ b/mm/percpu-km.c
> @@ -69,7 +69,7 @@ static struct pcpu_chunk *pcpu_create_chunk(gfp_t gfp)
>       }
>
>       for (i = 0; i < nr_pages; i++)
> -             pcpu_set_page_chunk(nth_page(pages, i), chunk);
> +             pcpu_set_page_chunk(pages + i, chunk);
>
>       chunk->data = pages;
>       chunk->base_addr = page_address(pages);
> --
> 2.50.1
>

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