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Date:   Tue, 10 Aug 2021 14:57:02 -0700 (PDT)
From:   Hugh Dickins <hughd@google.com>
To:     Yang Shi <shy828301@gmail.com>
cc:     Hugh Dickins <hughd@google.com>, Huang Ying <ying.huang@intel.com>,
        Miaohe Lin <linmiaohe@huawei.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Linux MM <linux-mm@kvack.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 3/3] Revert "mm: swap: check if swap backing device is
 congested or not"
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References: <20210810202936.2672-1-shy828301@gmail.com> <20210810202936.2672-3-shy828301@gmail.com> <3983c910-a02b-e67b-8c2b-7a379c3d22e1@google.com> <CAHbLzkqifgqAgytL_XGa=fE3tH-oU9x=uv-yNCYGzeO3QEGvFQ@mail.gmail.com>
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On Tue, 10 Aug 2021, Yang Shi wrote:
> On Tue, Aug 10, 2021 at 2:08 PM Hugh Dickins <hughd@google.com> wrote:
> >
> > I guess 1/3 will vanish now, since what it's reverting has not yet gone
> > forward to Linus: it would have been nice for 2/3 to have mentioned that
> > what it's reverting is kindof buggy: but then you'd have to explain the
> > "kindof", and that takes more words than it's worth - maybe a lore Link
> > to the discussion?
> 
> It is fine, I think this one is the best elaborated the problem:
> https://lore.kernel.org/linux-mm/24187e5e-069-9f3f-cefe-39ac70783753@google.com/

Yes, that best elaborated the problem when I thought it was a problem, then
https://lore.kernel.org/linux-mm/e82380b9-3ad4-4a52-be50-6d45c7f2b5da@google.com/
explained why I later came to think that it wasn't a problem after all.

Hence "kindof" buggy: but good to be reverted anyway.

Whatever!
Thanks,
Hugh