linux-kernel - Re: [PATCH v5 03/12] mm: introduce AS_NO_DIRECT

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Message-ID: <202508311805.yfcdeaFC-lkp@intel.com>
Date: Sun, 31 Aug 2025 18:26:08 +0800
From: kernel test robot <lkp@...el.com>
To: "Roy, Patrick" <roypat@...zon.co.uk>,
	"david@...hat.com" <david@...hat.com>,
	"seanjc@...gle.com" <seanjc@...gle.com>
Cc: oe-kbuild-all@...ts.linux.dev, "Roy, Patrick" <roypat@...zon.co.uk>,
	"tabba@...gle.com" <tabba@...gle.com>,
	"ackerleytng@...gle.com" <ackerleytng@...gle.com>,
	"pbonzini@...hat.com" <pbonzini@...hat.com>,
	"kvm@...r.kernel.org" <kvm@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" <linux-arm-kernel@...ts.infradead.org>,
	"kvmarm@...ts.linux.dev" <kvmarm@...ts.linux.dev>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	"rppt@...nel.org" <rppt@...nel.org>,
	"will@...nel.org" <will@...nel.org>,
	"vbabka@...e.cz" <vbabka@...e.cz>,
	"Cali, Marco" <xmarcalx@...zon.co.uk>,
	"Kalyazin, Nikita" <kalyazin@...zon.co.uk>,
	"Thomson, Jack" <jackabt@...zon.co.uk>,
	"Manwaring, Derek" <derekmn@...zon.com>
Subject: Re: [PATCH v5 03/12] mm: introduce AS_NO_DIRECT_MAP

Hi Patrick,

kernel test robot noticed the following build warnings:

[auto build test WARNING on a6ad54137af92535cfe32e19e5f3bc1bb7dbd383]

url:    https://github.com/intel-lab-lkp/linux/commits/Roy-Patrick/filemap-Pass-address_space-mapping-to-free_folio/20250828-174202
base:   a6ad54137af92535cfe32e19e5f3bc1bb7dbd383
patch link:    https://lore.kernel.org/r/20250828093902.2719-4-roypat%40amazon.co.uk
patch subject: [PATCH v5 03/12] mm: introduce AS_NO_DIRECT_MAP
config: loongarch-randconfig-r133-20250831 (https://download.01.org/0day-ci/archive/20250831/202508311805.yfcdeaFC-lkp@intel.com/config)
compiler: loongarch64-linux-gcc (GCC) 14.3.0
reproduce: (https://download.01.org/0day-ci/archive/20250831/202508311805.yfcdeaFC-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202508311805.yfcdeaFC-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> mm/secretmem.c:155:39: sparse: sparse: symbol 'secretmem_aops' was not declared. Should it be static?

vim +/secretmem_aops +155 mm/secretmem.c

1507f51255c9ff Mike Rapoport           2021-07-07  154  
1507f51255c9ff Mike Rapoport           2021-07-07 @155  const struct address_space_operations secretmem_aops = {
46de8b979492e1 Matthew Wilcox (Oracle  2022-02-09  156) 	.dirty_folio	= noop_dirty_folio,
6612ed24a24273 Matthew Wilcox (Oracle  2022-05-02  157) 	.free_folio	= secretmem_free_folio,
5409548df3876a Matthew Wilcox (Oracle  2022-06-06  158) 	.migrate_folio	= secretmem_migrate_folio,
1507f51255c9ff Mike Rapoport           2021-07-07  159  };
1507f51255c9ff Mike Rapoport           2021-07-07  160  

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki