From: kernel test robot <lkp@intel.com>
To: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: oe-kbuild-all@lists.linux.dev,
David Hildenbrand <david@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Linux Memory Management List <linux-mm@kvack.org>
Subject: [akpm-mm:mm-new 414/422] include/linux/hugetlb_inline.h:16:16: sparse: sparse: dereference of noderef expression
Date: Wed, 21 Jan 2026 23:44:07 +0800 [thread overview]
Message-ID: <202601212341.LQmq1CzY-lkp@intel.com> (raw)
Hi Lorenzo,
FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-new
head: 74daaa378c853e693bf1822327648b98c7d491ec
commit: b9a7362d7bfd71c7db3c40aa82816ed3209c3967 [414/422] mm: update hugetlbfs to use VMA flags on mmap_prepare
config: x86_64-randconfig-122-20260121 (https://download.01.org/0day-ci/archive/20260121/202601212341.LQmq1CzY-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/20260121/202601212341.LQmq1CzY-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/202601212341.LQmq1CzY-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
mm/hugetlb.c:658:12: sparse: sparse: context imbalance in 'allocate_file_region_entries' - wrong count at exit
mm/hugetlb.c:729:13: sparse: sparse: context imbalance in 'region_add' - wrong count at exit
mm/hugetlb.c:796:13: sparse: sparse: context imbalance in 'region_chg' - wrong count at exit
mm/hugetlb.c:1196:9: sparse: sparse: dereference of noderef expression
mm/hugetlb.c:1196:9: sparse: sparse: dereference of noderef expression
mm/hugetlb.c: note: in included file (through include/linux/pagemap.h):
>> include/linux/hugetlb_inline.h:16:16: sparse: sparse: dereference of noderef expression
>> include/linux/hugetlb_inline.h:16:16: sparse: sparse: dereference of noderef expression
mm/hugetlb.c: note: in included file:
include/linux/mm.h:1047:16: sparse: sparse: dereference of noderef expression
mm/hugetlb.c: note: in included file (through include/linux/pagemap.h):
>> include/linux/hugetlb_inline.h:16:16: sparse: sparse: dereference of noderef expression
mm/hugetlb.c: note: in included file:
include/linux/mm.h:1047:16: sparse: sparse: dereference of noderef expression
mm/hugetlb.c:1197:9: sparse: sparse: dereference of noderef expression
include/linux/mm.h:1047:16: sparse: sparse: dereference of noderef expression
include/linux/mm.h:1047:16: sparse: sparse: dereference of noderef expression
include/linux/mm.h:1181:36: sparse: sparse: dereference of noderef expression
include/linux/mm.h:1181:53: sparse: sparse: dereference of noderef expression
include/linux/mm.h:1181:36: sparse: sparse: dereference of noderef expression
include/linux/mm.h:1181:53: sparse: sparse: dereference of noderef expression
mm/hugetlb.c:1204:9: sparse: sparse: dereference of noderef expression
mm/hugetlb.c:1204:9: sparse: sparse: dereference of noderef expression
mm/hugetlb.c: note: in included file (through include/linux/pagemap.h):
>> include/linux/hugetlb_inline.h:16:16: sparse: sparse: dereference of noderef expression
>> include/linux/hugetlb_inline.h:16:16: sparse: sparse: dereference of noderef expression
mm/hugetlb.c: note: in included file:
include/linux/mm.h:1047:16: sparse: sparse: dereference of noderef expression
mm/hugetlb.c: note: in included file (through include/linux/pagemap.h):
>> include/linux/hugetlb_inline.h:16:16: sparse: sparse: dereference of noderef expression
mm/hugetlb.c: note: in included file:
include/linux/mm.h:1047:16: sparse: sparse: dereference of noderef expression
mm/hugetlb.c:1205:9: sparse: sparse: dereference of noderef expression
include/linux/mm.h:1047:16: sparse: sparse: dereference of noderef expression
include/linux/mm.h:1047:16: sparse: sparse: dereference of noderef expression
include/linux/mm.h:1181:36: sparse: sparse: dereference of noderef expression
include/linux/mm.h:1181:53: sparse: sparse: dereference of noderef expression
include/linux/mm.h:1181:36: sparse: sparse: dereference of noderef expression
include/linux/mm.h:1181:53: sparse: sparse: dereference of noderef expression
mm/hugetlb.c:1219:9: sparse: sparse: dereference of noderef expression
mm/hugetlb.c:1219:9: sparse: sparse: dereference of noderef expression
mm/hugetlb.c: note: in included file (through include/linux/pagemap.h):
>> include/linux/hugetlb_inline.h:16:16: sparse: sparse: dereference of noderef expression
>> include/linux/hugetlb_inline.h:16:16: sparse: sparse: dereference of noderef expression
mm/hugetlb.c: note: in included file:
include/linux/mm.h:1047:16: sparse: sparse: dereference of noderef expression
mm/hugetlb.c: note: in included file (through include/linux/pagemap.h):
>> include/linux/hugetlb_inline.h:16:16: sparse: sparse: dereference of noderef expression
mm/hugetlb.c: note: in included file:
include/linux/mm.h:1047:16: sparse: sparse: dereference of noderef expression
mm/hugetlb.c:5098:20: sparse: sparse: context imbalance in 'move_huge_pte' - different lock contexts for basic block
include/linux/mm.h:1772:22: sparse: sparse: context imbalance in 'hugetlb_wp' - unexpected unlock
mm/hugetlb.c:6588:13: sparse: sparse: dereference of noderef expression
mm/hugetlb.c:6588:13: sparse: sparse: dereference of noderef expression
include/linux/mm.h:1047:16: sparse: sparse: dereference of noderef expression
mm/hugetlb.c:6588:13: sparse: sparse: dereference of noderef expression
include/linux/mm.h:1047:16: sparse: sparse: dereference of noderef expression
mm/hugetlb.c:6597:22: sparse: sparse: dereference of noderef expression
include/linux/mm.h:1047:16: sparse: sparse: dereference of noderef expression
include/linux/mm.h:1047:16: sparse: sparse: dereference of noderef expression
include/linux/mm.h:1181:36: sparse: sparse: dereference of noderef expression
include/linux/mm.h:1181:53: sparse: sparse: dereference of noderef expression
include/linux/mm.h:1181:36: sparse: sparse: dereference of noderef expression
include/linux/mm.h:1181:53: sparse: sparse: dereference of noderef expression
mm/hugetlb.c:6631:22: sparse: sparse: dereference of noderef expression
include/linux/mm.h:1047:16: sparse: sparse: dereference of noderef expression
include/linux/mm.h:1047:16: sparse: sparse: dereference of noderef expression
include/linux/mm.h:1181:36: sparse: sparse: dereference of noderef expression
include/linux/mm.h:1181:53: sparse: sparse: dereference of noderef expression
include/linux/mm.h:1181:36: sparse: sparse: dereference of noderef expression
include/linux/mm.h:1181:53: sparse: sparse: dereference of noderef expression
mm/hugetlb.c:6668:22: sparse: sparse: dereference of noderef expression
include/linux/mm.h:1047:16: sparse: sparse: dereference of noderef expression
include/linux/mm.h:1047:16: sparse: sparse: dereference of noderef expression
include/linux/mm.h:1181:36: sparse: sparse: dereference of noderef expression
include/linux/mm.h:1181:53: sparse: sparse: dereference of noderef expression
include/linux/mm.h:1181:36: sparse: sparse: dereference of noderef expression
include/linux/mm.h:1181:53: sparse: sparse: dereference of noderef expression
mm/hugetlb.c:6732:22: sparse: sparse: dereference of noderef expression
include/linux/mm.h:1047:16: sparse: sparse: dereference of noderef expression
include/linux/mm.h:1047:16: sparse: sparse: dereference of noderef expression
include/linux/mm.h:1181:36: sparse: sparse: dereference of noderef expression
include/linux/mm.h:1181:53: sparse: sparse: dereference of noderef expression
include/linux/mm.h:1181:36: sparse: sparse: dereference of noderef expression
include/linux/mm.h:1181:53: sparse: sparse: dereference of noderef expression
vim +16 include/linux/hugetlb_inline.h
13
14 static inline bool is_vma_hugetlb_flags(vma_flags_t flags)
15 {
> 16 return vma_flags_test(flags, VMA_HUGETLB_BIT);
17 }
18
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2026-01-21 15:44 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
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=202601212341.LQmq1CzY-lkp@intel.com \
--to=lkp@intel.com \
--cc=akpm@linux-foundation.org \
--cc=david@kernel.org \
--cc=linux-mm@kvack.org \
--cc=lorenzo.stoakes@oracle.com \
--cc=oe-kbuild-all@lists.linux.dev \
/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