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Date:   Tue, 10 May 2022 14:42:04 -0700
From:   Andrew Morton <akpm@linux-foundation.org>
To:     kernel test robot <lkp@intel.com>
Cc:     Miaohe Lin <linmiaohe@huawei.com>, kbuild-all@lists.01.org,
        linux-kernel@vger.kernel.org,
        Linux Memory Management List <linux-mm@kvack.org>,
        Naoya Horiguchi <naoya.horiguchi@nec.com>
Subject: Re: [akpm-mm:mm-unstable 175/431] mm/madvise.c:632:36: error:
 implicit declaration of function 'is_swapin_error_entry'
Message-Id: <20220510144204.ba2856587aca43d7fa23ed45@linux-foundation.org>
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On Wed, 11 May 2022 04:42:45 +0800 kernel test robot <lkp@intel.com> wrote:

> Note: the akpm-mm/mm-unstable HEAD 584a50635cc1deee2eeab5a17dfdcf9db7add21b builds fine.
>       It only hurts bisectability.

Well drat.  8296b60c4ec is in mm-stable and addressing this would
require a rebase.