Re: [mm-unstable PATCH v5 4/8] mm, hwpoison: make unpoison aware of raw error info in hwpoisoned hugepage

From: Miaohe Lin
Date: Mon Jul 11 2022 - 07:31:38 EST


On 2022/7/11 17:24, HORIGUCHI NAOYA(堀口 直也) wrote:
> On Mon, Jul 11, 2022 at 03:09:01PM +0800, Miaohe Lin wrote:
...
>
> Basically raw_hwp_info is not available to userspace (it might be recorded
> in dmesg but not available via /proc/kpageflags), so unpoisoning error
> subpages one-by-one is sometimes bothering. If someone would like to
> unpoison one-by-one (I expect nobody would), I can do this.

I see. Many thanks for explanation.

>
>> Thanks.
>
> Thank you!
>
> - Naoya Horiguchi
>