Re: [PATCH v11 10/11] mm/hugetlb: Gather discrete indexes of tail page

[Oscar Salvador]

On Tue, Dec 22, 2020 at 10:24:39PM +0800, Muchun Song wrote:
> +#else
> +static inline void hwpoison_subpage_deliver(struct hstate *h, struct page *head)
> +{
> +}
> +
> +static inline void hwpoison_subpage_set(struct hstate *h, struct page *head,
> +					struct page *page)
> +{
> +	if (PageHWPoison(head) && page != head) {
> +		/*
> +		 * Move PageHWPoison flag from head page to the raw error page,
> +		 * which makes any subpages rather than the error page reusable.
> +		 */
> +		SetPageHWPoison(page);
> +		ClearPageHWPoison(head);
> +	}
> +}
> +#endif

Sorry, I guess I should have made a more clear statement.
This patch should really be about changing the numeric index to its symbolic
names, so the #ifdef handling of hwpoison_subpage_* should have been gone into
patch#6.

I will have a closer look later on though.

-- 
Oscar Salvador
SUSE L3