From: kernel test robot <lkp@intel.com>
To: Usama Arif <usama.arif@linux.dev>,
Andrew Morton <akpm@linux-foundation.org>,
david@kernel.org, chrisl@kernel.org, kasong@tencent.com,
ljs@kernel.org, ziy@nvidia.com
Cc: oe-kbuild-all@lists.linux.dev,
Linux Memory Management List <linux-mm@kvack.org>,
ying.huang@linux.alibaba.com, Baoquan He <baoquan.he@linux.dev>,
willy@infradead.org, youngjun.park@lge.com, hannes@cmpxchg.org,
riel@surriel.com, shakeel.butt@linux.dev, alex@ghiti.fr,
kas@kernel.org, baohua@kernel.org, dev.jain@arm.com,
baolin.wang@linux.alibaba.com, npache@redhat.com,
"Liam R. Howlett" <liam@infradead.org>,
ryan.roberts@arm.com, Vlastimil Babka <vbabka@kernel.org>,
lance.yang@linux.dev, linux-kernel@vger.kernel.org,
nphamcs@gmail.com, shikemeng@huaweicloud.com,
kernel-team@meta.com, Usama Arif <usama.arif@linux.dev>
Subject: Re: [PATCH v3 11/11] selftests/mm: add PMD swap entry tests
Date: Sat, 4 Jul 2026 10:30:05 +0200 [thread overview]
Message-ID: <202607041039.WHXO0OYv-lkp@intel.com> (raw)
In-Reply-To: <20260703173903.3789516-12-usama.arif@linux.dev>
Hi Usama,
kernel test robot noticed the following build errors:
[auto build test ERROR on akpm-mm/mm-everything]
url: https://github.com/intel-lab-lkp/linux/commits/Usama-Arif/mm-add-PMD-swap-entry-detection-support/20260704-014151
base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
patch link: https://lore.kernel.org/r/20260703173903.3789516-12-usama.arif%40linux.dev
patch subject: [PATCH v3 11/11] selftests/mm: add PMD swap entry tests
config: i386-allnoconfig-bpf (https://download.01.org/0day-ci/archive/20260704/202607041039.WHXO0OYv-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260704/202607041039.WHXO0OYv-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202607041039.WHXO0OYv-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from ./include/linux/mm.h:31,
from ./include/linux/memcontrol.h:21,
from ./include/linux/swap.h:9,
from ./include/linux/suspend.h:5,
from arch/x86/kernel/asm-offsets.c:14:
>> ./include/linux/pgtable.h:1921:21: error: redefinition of 'pmd_swp_mkexclusive'
1921 | static inline pmd_t pmd_swp_mkexclusive(pmd_t pmd)
| ^~~~~~~~~~~~~~~~~~~
In file included from ./arch/x86/include/asm/tlbflush.h:17,
from ./arch/x86/include/asm/uaccess.h:17,
from ./include/linux/uaccess.h:13,
from ./include/linux/sched/task.h:13,
from ./include/linux/sched/signal.h:9,
from ./include/linux/rcuwait.h:6,
from ./include/linux/percpu-rwsem.h:7,
from ./include/linux/fs/super_types.h:13,
from ./include/linux/fs/super.h:5,
from ./include/linux/fs.h:5,
from ./include/linux/cgroup.h:17,
from ./include/linux/memcontrol.h:13:
./arch/x86/include/asm/pgtable.h:1532:21: note: previous definition of 'pmd_swp_mkexclusive' with type 'pmd_t(pmd_t)'
1532 | static inline pmd_t pmd_swp_mkexclusive(pmd_t pmd)
| ^~~~~~~~~~~~~~~~~~~
>> ./include/linux/pgtable.h:1926:20: error: conflicting types for 'pmd_swp_exclusive'; have 'bool(pmd_t)' {aka '_Bool(pmd_t)'}
1926 | static inline bool pmd_swp_exclusive(pmd_t pmd)
| ^~~~~~~~~~~~~~~~~
./arch/x86/include/asm/pgtable.h:1537:19: note: previous definition of 'pmd_swp_exclusive' with type 'int(pmd_t)'
1537 | static inline int pmd_swp_exclusive(pmd_t pmd)
| ^~~~~~~~~~~~~~~~~
>> ./include/linux/pgtable.h:1931:21: error: redefinition of 'pmd_swp_clear_exclusive'
1931 | static inline pmd_t pmd_swp_clear_exclusive(pmd_t pmd)
| ^~~~~~~~~~~~~~~~~~~~~~~
./arch/x86/include/asm/pgtable.h:1542:21: note: previous definition of 'pmd_swp_clear_exclusive' with type 'pmd_t(pmd_t)'
1542 | static inline pmd_t pmd_swp_clear_exclusive(pmd_t pmd)
| ^~~~~~~~~~~~~~~~~~~~~~~
vim +/pmd_swp_mkexclusive +1921 ./include/linux/pgtable.h
1919
1920 #ifndef CONFIG_ARCH_SUPPORTS_PMD_SOFTLEAF
> 1921 static inline pmd_t pmd_swp_mkexclusive(pmd_t pmd)
1922 {
1923 return pmd;
1924 }
1925
> 1926 static inline bool pmd_swp_exclusive(pmd_t pmd)
1927 {
1928 return false;
1929 }
1930
> 1931 static inline pmd_t pmd_swp_clear_exclusive(pmd_t pmd)
1932 {
1933 return pmd;
1934 }
1935 #endif
1936
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
prev parent reply other threads:[~2026-07-04 8:30 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-03 17:38 [PATCH v3 00/11] mm: PMD-level swap entries for anonymous THPs Usama Arif
2026-07-03 17:38 ` [PATCH v3 01/11] mm: add PMD swap entry detection support Usama Arif
2026-07-03 17:38 ` [PATCH v3 02/11] mm: add PMD swap entry splitting support Usama Arif
2026-07-03 17:38 ` [PATCH v3 03/11] mm: handle PMD swap entries in fork path Usama Arif
2026-07-03 17:38 ` [PATCH v3 04/11] mm: zswap: add range lookup for large-folio swapin Usama Arif
2026-07-03 17:38 ` [PATCH v3 05/11] mm: swap in PMD swap entries as whole THPs during swapoff Usama Arif
2026-07-03 17:38 ` [PATCH v3 06/11] mm: handle PMD swap entries in non-present PMD walkers Usama Arif
2026-07-03 17:38 ` [PATCH v3 07/11] mm: handle PMD swap entries in MADV_WILLNEED Usama Arif
2026-07-03 17:38 ` [PATCH v3 08/11] mm: handle PMD swap entries in UFFDIO_MOVE Usama Arif
2026-07-03 17:38 ` [PATCH v3 09/11] mm: handle PMD swap entry faults on swap-in Usama Arif
2026-07-03 17:38 ` [PATCH v3 10/11] mm: install PMD swap entries on swap-out Usama Arif
2026-07-03 17:38 ` [PATCH v3 11/11] selftests/mm: add PMD swap entry tests Usama Arif
2026-07-04 6:27 ` kernel test robot
2026-07-04 8:30 ` kernel test robot [this message]
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