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From:   Lorenzo Stoakes <lstoakes@gmail.com>
Date:   Wed, 25 Nov 2020 11:25:22 +0000
Message-ID: <CAA5enKZyE6mP2fWdooC4Lx7d2V9aSkxmgT-ihx0Z9HPjfq77NQ@mail.gmail.com>
Subject: Re: linux-next boot error: WARNING in prepare_kswapd_sleep
To:     Alex Shi <alex.shi@linux.alibaba.com>
Cc:     syzbot <syzbot+ce635500093181f39c1c@syzkaller.appspotmail.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        linux-mm <linux-mm@kvack.org>,
        Linux-Next Mailing List <linux-next@vger.kernel.org>,
        Stephen Rothwell <sfr@canb.auug.org.au>,
        syzkaller-bugs <syzkaller-bugs@googlegroups.com>,
        Hui Su <sh_def@163.com>
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On Wed, 25 Nov 2020 at 06:25, Alex Shi <alex.shi@linux.alibaba.com> wrote:
> Acked.

Thanks. I submitted as an actual patch, refactored it slightly to
avoid duplication of page_memcg().

> and further more, could you like try another patch?

I tried that patch against the syzkaller failure case and it worked fine!

Cheers, Lorenzo