linux-kernel - Re: [kbuild-all] Re: [PATCH] mm/swap: Fix lost swap bits in unuse

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Message-ID: <43b526a9-7ab8-fea7-8cd3-9aa7a444ffae@huawei.com>
Date:   Wed, 20 Apr 2022 14:52:31 +0800
From:   Miaohe Lin <linmiaohe@...wei.com>
To:     Philip Li <philip.li@...el.com>
CC:     kernel test robot <lkp@...el.com>, Peter Xu <peterx@...hat.com>,
        <llvm@...ts.linux.dev>, <kbuild-all@...ts.01.org>,
        <akpm@...ux-foundation.org>, <willy@...radead.org>,
        <vbabka@...e.cz>, <dhowells@...hat.com>, <neilb@...e.de>,
        <david@...hat.com>, <apopple@...dia.com>, <surenb@...gle.com>,
        <minchan@...nel.org>, <sfr@...b.auug.org.au>,
        <rcampbell@...dia.com>, <naoya.horiguchi@....com>,
        <linux-mm@...ck.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [kbuild-all] Re: [PATCH] mm/swap: Fix lost swap bits in
 unuse_pte()

On 2022/4/20 14:39, Philip Li wrote:
> On Wed, Apr 20, 2022 at 02:23:27PM +0800, Miaohe Lin wrote:
>> On 2022/4/20 13:56, kernel test robot wrote:
>>> Hi Peter,
>>>
>>> Thank you for the patch! Yet something to improve:
>>>
>>> [auto build test ERROR on hnaz-mm/master]
>>>
>>> url:    https://github.com/intel-lab-lkp/linux/commits/Peter-Xu/mm-swap-Fix-lost-swap-bits-in-unuse_pte/20220420-053845
>>> base:   https://github.com/hnaz/linux-mm master
>>> config: s390-randconfig-r023-20220420 (https://download.01.org/0day-ci/archive/20220420/202204201313.QYiDBRbL-lkp@intel.com/config)
>>> compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project bac6cd5bf85669e3376610cfc4c4f9ca015e7b9b)
>>> reproduce (this is a W=1 build):
>>>         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>>>         chmod +x ~/bin/make.cross
>>>         # install s390 cross compiling tool for clang build
>>>         # apt-get install binutils-s390x-linux-gnu
>>>         # https://github.com/intel-lab-lkp/linux/commit/355ac3eb45402f7aab25b76af029d4390af05238
>>>         git remote add linux-review https://github.com/intel-lab-lkp/linux
>>>         git fetch --no-tags linux-review Peter-Xu/mm-swap-Fix-lost-swap-bits-in-unuse_pte/20220420-053845
>>>         git checkout 355ac3eb45402f7aab25b76af029d4390af05238
>>>         # save the config file
>>>         mkdir build_dir && cp config build_dir/.config
>>>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash
>>>
>>> If you fix the issue, kindly add following tag as appropriate
>>> Reported-by: kernel test robot <lkp@...el.com>
>>>
>>
>> The variable name is newpte. But it's written as new_pte latter. Many thanks for report!
>>
>> BTW: Since this is not a formal patch (no compile tested). Is Reported-by tag still needed?
> 
> thanks, this is not needed. It mostly needed for already upstreamed one
> and actually not mandatory from 0-day ci perspective.

I see. Many thanks for your clarifying and meaningful work! :)

>