linux-kernel - Re: BUG: Bad page state in process dirtyc0w

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Message-ID: <CAHk-=wjTKXJH1teKV3-tu1+qABMq0_tpdM9K4hYwbGCt7vwx7Q@mail.gmail.com>
Date:   Thu, 24 Sep 2020 08:58:15 -0700
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Gerald Schaefer <gerald.schaefer@...ux.ibm.com>,
        Alex Shi <alex.shi@...ux.alibaba.com>
Cc:     Peter Xu <peterx@...hat.com>, Heiko Carstens <hca@...ux.ibm.com>,
        Qian Cai <cai@...hat.com>,
        Alexander Gordeev <agordeev@...ux.ibm.com>,
        Vasily Gorbik <gor@...ux.ibm.com>,
        Christian Borntraeger <borntraeger@...ibm.com>,
        linux-s390 <linux-s390@...r.kernel.org>,
        Linux-MM <linux-mm@...ck.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: BUG: Bad page state in process dirtyc0w_child

On Thu, Sep 24, 2020 at 5:06 AM Gerald Schaefer
<gerald.schaefer@...ux.ibm.com> wrote:
>
> It's all good now, no more occurrences with unlock_page() before
> wp_page_reuse().

Thanks for the confirmation. When you pointed at that unlock_page()
change, I was pretty sure that was it ("D'oh!"), but it's always good
to have that verification.

Committed,

              Linus