Re: [PATCH] HWPOISON: Implement hwpoison-on-free for soft offlining

[Penttilä Mika]

> --- a/mm/page_alloc.c
> +++ b/mm/page_alloc.c
> @@ -564,6 +564,8 @@ static inline int free_pages_check(struct page *page)
>  		(page->mapping != NULL)  |
>  		(atomic_read(&page->_count) != 0) |
>  		(page->flags & PAGE_FLAGS_CHECK_AT_FREE))) {
> +		if (PageHWPoisonOnFree(page))
> +			hwpoison_page_on_free(page);

hwpoison_page_on_free() seems to be undefined when
CONFIG_HWPOISON_ON_FREE is not defined.

>  		bad_page(page);
>  		return 1;
>  	}

And of course PAGE_FLAGS_CHECK_AT_FREE should include pahehwpoisononfree this to be effective

--Mika


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/