linux-kernel - Re: [PATCH v4 2/7] mm,hwpoison: Do not set hugepage_or

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Message-ID: <20200918192655.GC18315@cathedrallabs.org>
Date:   Fri, 18 Sep 2020 15:26:56 -0400
From:   Aristeu Rozanski <aris@...vo.org>
To:     Oscar Salvador <osalvador@...e.de>
Cc:     akpm@...ux-foundation.org, naoya.horiguchi@....com,
        mhocko@...nel.org, tony.luck@...el.com, cai@....pw,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH v4 2/7] mm,hwpoison: Do not set hugepage_or_freepage
 unconditionally

On Thu, Sep 17, 2020 at 10:10:44AM +0200, Oscar Salvador wrote:
> Aristeu Rozanski reported that some hwpoison tests
> were returning -EBUSY while before the rework they succeed [1] [2].
> 
> The root case is that during a rebase, the call to page_handle_poison was
> setting hugepage_or_freepage = true unconditionally from __soft_offline_page.
> 
> Aristeu said that after this fix, everything works.
> 
> [1] https://patchwork.kernel.org/comment/23617301/
> [2] https://patchwork.kernel.org/comment/23619535/
> 
> Signed-off-by: Oscar Salvador <osalvador@...e.de>
> Reported-by: Aristeu Rozanski <aris@...vo.org>

Tested-by: Aristeu Rozanski <aris@...vo.org>

-- 
Aristeu