Re: [PATCH v2 1/2] mm: soft-offline: return -EBUSY if set_hwpoison_free_buddy_page() fails

[Andrew Morton]

On Mon, 10 Jun 2019 17:18:05 +0900 Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx> wrote:

> The pass/fail of soft offline should be judged by checking whether the
> raw error page was finally contained or not (i.e. the result of
> set_hwpoison_free_buddy_page()), but current code do not work like that.
> So this patch is suggesting to fix it.

Please describe the user-visible runtime effects of this change?