From: kernel test robot <lkp@intel.com>
To: Kairui Song <ryncsn@gmail.com>, linux-mm@kvack.org
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
Andrew Morton <akpm@linux-foundation.org>,
Linux Memory Management List <linux-mm@kvack.org>,
Baoquan He <bhe@redhat.com>, Barry Song <baohua@kernel.org>,
Chris Li <chrisl@kernel.org>, Nhat Pham <nphamcs@gmail.com>,
Yosry Ahmed <yosry.ahmed@linux.dev>,
David Hildenbrand <david@kernel.org>,
Johannes Weiner <hannes@cmpxchg.org>,
Youngjun Park <youngjun.park@lge.com>,
Hugh Dickins <hughd@google.com>,
Baolin Wang <baolin.wang@linux.alibaba.com>,
Ying Huang <ying.huang@linux.alibaba.com>,
Kemeng Shi <shikemeng@huaweicloud.com>,
Lorenzo Stoakes <lorenzo.stoakes@oracle.com>,
"Matthew Wilcox (Oracle)" <willy@infradead.org>,
linux-kernel@vger.kernel.org, Kairui Song <kasong@tencent.com>,
linux-pm@vger.kernel.org
Subject: Re: [PATCH v2 14/19] mm, swap: sanitize swap entry management workflow
Date: Mon, 17 Nov 2025 19:23:00 +0800 [thread overview]
Message-ID: <202511171942.psG9jTRx-lkp@intel.com> (raw)
In-Reply-To: <20251117-swap-table-p2-v2-14-37730e6ea6d5@tencent.com>
Hi Kairui,
kernel test robot noticed the following build errors:
[auto build test ERROR on 41218ede767f6b218185af65ce919d0cade75f6b]
url: https://github.com/intel-lab-lkp/linux/commits/Kairui-Song/mm-swap-rename-__read_swap_cache_async-to-swap_cache_alloc_folio/20251117-021532
base: 41218ede767f6b218185af65ce919d0cade75f6b
patch link: https://lore.kernel.org/r/20251117-swap-table-p2-v2-14-37730e6ea6d5%40tencent.com
patch subject: [PATCH v2 14/19] mm, swap: sanitize swap entry management workflow
config: s390-defconfig (https://download.01.org/0day-ci/archive/20251117/202511171942.psG9jTRx-lkp@intel.com/config)
compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 0bba1e76581bad04e7d7f09f5115ae5e2989e0d9)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251117/202511171942.psG9jTRx-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/202511171942.psG9jTRx-lkp@intel.com/
All errors (new ones prefixed by >>):
>> arch/s390/mm/gmap_helpers.c:35:2: error: call to undeclared function 'free_swap_and_cache'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
35 | free_swap_and_cache(entry);
| ^
arch/s390/mm/gmap_helpers.c:35:2: note: did you mean 'free_swap_cache'?
include/linux/swap.h:435:6: note: 'free_swap_cache' declared here
435 | void free_swap_cache(struct folio *folio);
| ^
1 error generated.
vim +/free_swap_and_cache +35 arch/s390/mm/gmap_helpers.c
200197908dc4af Claudio Imbrenda 2025-05-28 19
200197908dc4af Claudio Imbrenda 2025-05-28 20 /**
6539cf8c98a8cc Lorenzo Stoakes 2025-11-10 21 * ptep_zap_softleaf_entry() - discard a software leaf entry.
200197908dc4af Claudio Imbrenda 2025-05-28 22 * @mm: the mm
6539cf8c98a8cc Lorenzo Stoakes 2025-11-10 23 * @entry: the software leaf entry that needs to be zapped
200197908dc4af Claudio Imbrenda 2025-05-28 24 *
6539cf8c98a8cc Lorenzo Stoakes 2025-11-10 25 * Discards the given software leaf entry. If the leaf entry was an actual
6539cf8c98a8cc Lorenzo Stoakes 2025-11-10 26 * swap entry (and not a migration entry, for example), the actual swapped
200197908dc4af Claudio Imbrenda 2025-05-28 27 * page is also discarded from swap.
200197908dc4af Claudio Imbrenda 2025-05-28 28 */
6539cf8c98a8cc Lorenzo Stoakes 2025-11-10 29 static void ptep_zap_softleaf_entry(struct mm_struct *mm, softleaf_t entry)
200197908dc4af Claudio Imbrenda 2025-05-28 30 {
6539cf8c98a8cc Lorenzo Stoakes 2025-11-10 31 if (softleaf_is_swap(entry))
200197908dc4af Claudio Imbrenda 2025-05-28 32 dec_mm_counter(mm, MM_SWAPENTS);
6539cf8c98a8cc Lorenzo Stoakes 2025-11-10 33 else if (softleaf_is_migration(entry))
6539cf8c98a8cc Lorenzo Stoakes 2025-11-10 34 dec_mm_counter(mm, mm_counter(softleaf_to_folio(entry)));
200197908dc4af Claudio Imbrenda 2025-05-28 @35 free_swap_and_cache(entry);
200197908dc4af Claudio Imbrenda 2025-05-28 36 }
200197908dc4af Claudio Imbrenda 2025-05-28 37
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next parent reply other threads:[~2025-11-17 11:23 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20251117-swap-table-p2-v2-14-37730e6ea6d5@tencent.com>
2025-11-17 11:23 ` kernel test robot [this message]
2025-11-17 13:05 ` [PATCH v2 14/19] mm, swap: sanitize swap entry management workflow Kairui Song
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=202511171942.psG9jTRx-lkp@intel.com \
--to=lkp@intel.com \
--cc=akpm@linux-foundation.org \
--cc=baohua@kernel.org \
--cc=baolin.wang@linux.alibaba.com \
--cc=bhe@redhat.com \
--cc=chrisl@kernel.org \
--cc=david@kernel.org \
--cc=hannes@cmpxchg.org \
--cc=hughd@google.com \
--cc=kasong@tencent.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=linux-pm@vger.kernel.org \
--cc=llvm@lists.linux.dev \
--cc=lorenzo.stoakes@oracle.com \
--cc=nphamcs@gmail.com \
--cc=oe-kbuild-all@lists.linux.dev \
--cc=ryncsn@gmail.com \
--cc=shikemeng@huaweicloud.com \
--cc=willy@infradead.org \
--cc=ying.huang@linux.alibaba.com \
--cc=yosry.ahmed@linux.dev \
--cc=youngjun.park@lge.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).