linux-kernel - Re: [PATCH v2 0/5] HWpoison: further fixes and cleanups

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Message-ID: <861ca491140488d42d85ec7cef76ca0a@suse.de>
Date:   Thu, 10 Sep 2020 22:07:48 +0200
From:   osalvador@...e.de
To:     akpm@...ux-foundation.org
Cc:     naoya.horiguchi@....com, mhocko@...nel.org, tony.luck@...el.com,
        cai@....pw, linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH v2 0/5] HWpoison: further fixes and cleanups

On 2020-09-08 09:56, Oscar Salvador wrote:
> The important bit of this patchset is patch#1, which is a fix to take 
> off
> HWPoison pages off a buddy freelist since it can lead us to having 
> HWPoison
> pages back in the game without no one noticing it.
> So fix it (we did that already for soft_offline_page [1]).
> 
> The other patches are clean-ups and not that important, so if anything,
> consider patch#1 for inclusion.
> 
> [1] https://patchwork.kernel.org/cover/11704083/
> 
> Thanks
> 
> Oscar Salvador (5):
>   mm,hwpoison: Take free pages off the buddy freelists
>   mm,hwpoison: Refactor madvise_inject_error
>   mm,hwpoison: Drain pcplists before bailing out for non-buddy
>     zero-refcount page
>   mm,hwpoison: Drop unneeded pcplist draining
>   mm,hwpoison: Remove stale code

Naoya, any insight?

Thanks