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SubjectRe: [PATCH 4/6] mm/page_alloc.c: use helper function zone_spans_pfn()
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On 30.08.21 16:10, Miaohe Lin wrote:
> Use helper function zone_spans_pfn() to check whether pfn is within a
> zone to simplify the code slightly.
>
> Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
> ---
> mm/page_alloc.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/mm/page_alloc.c b/mm/page_alloc.c
> index b5edcfe112aa..7bb79e959ab4 100644
> --- a/mm/page_alloc.c
> +++ b/mm/page_alloc.c
> @@ -1576,7 +1576,7 @@ static void __meminit init_reserved_page(unsigned long pfn)
> for (zid = 0; zid < MAX_NR_ZONES; zid++) {
> struct zone *zone = &pgdat->node_zones[zid];
>
> - if (pfn >= zone->zone_start_pfn && pfn < zone_end_pfn(zone))
> + if (zone_spans_pfn(zone, pfn))
> break;
> }
> __init_single_page(pfn_to_page(pfn), pfn, zid, nid);
>

Reviewed-by: David Hildenbrand <david@redhat.com>

--
Thanks,

David / dhildenb

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