Re: [PATCH] mm: page_alloc: avoid false page outside zone error info

[Matthew Wilcox]

On Tue, Jul 04, 2023 at 07:18:23PM +0800, Miaohe Lin wrote:
> @@ -470,6 +470,8 @@ static int page_outside_zone_boundaries(struct zone *zone, struct page *page)
>  		sp = zone->spanned_pages;
>  		if (!zone_spans_pfn(zone, pfn))
>  			ret = 1;
> +		else
> +			ret = 0;

Surely 'ret = zone_spans_pfn(zone, pfn);' ?

Also, did you spot this by inspection or do you have a test-case or bug
report?  Should this have a Fixes: tag?