* mm/cma.c:770:24-29: ERROR: iterator variable bound on line 768 cannot be NULL
@ 2026-03-23 21:40 kernel test robot
0 siblings, 0 replies; 3+ messages in thread
From: kernel test robot @ 2026-03-23 21:40 UTC (permalink / raw)
To: oe-kbuild; +Cc: lkp, Julia Lawall
BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
CC: linux-kernel@vger.kernel.org
TO: "Yury Norov (NVIDIA)" <yury.norov@gmail.com>
CC: Andrew Morton <akpm@linux-foundation.org>
CC: Linux Memory Management List <linux-mm@kvack.org>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: c369299895a591d96745d6492d4888259b004a9e
commit: 77c50f9147eabcf726f62c73167bb9d9e8621a43 mm: cma: simplify cma_debug_show_areas()
date: 8 months ago
:::::: branch date: 24 hours ago
:::::: commit date: 8 months ago
config: s390-randconfig-r051-20260323 (https://download.01.org/0day-ci/archive/20260324/202603240529.BOykxDXR-lkp@intel.com/config)
compiler: clang version 23.0.0git (https://github.com/llvm/llvm-project c911b8492374942bf4cfe35411e90a35d3837f6a)
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>
| Reported-by: Julia Lawall <julia.lawall@inria.fr>
| Closes: https://lore.kernel.org/r/202603240529.BOykxDXR-lkp@intel.com/
cocci warnings: (new ones prefixed by >>)
>> mm/cma.c:770:24-29: ERROR: iterator variable bound on line 768 cannot be NULL
vim +770 mm/cma.c
c009da4258f988 Frank van der Linden 2025-02-28 751
dbe43d4d2837da Jaewon Kim 2017-02-24 752 static void cma_debug_show_areas(struct cma *cma)
dbe43d4d2837da Jaewon Kim 2017-02-24 753 {
77c50f9147eabc Yury Norov (NVIDIA 2025-07-19 754) unsigned long start, end;
7365ff2c8eef4e Frank van der Linden 2025-02-28 755 unsigned long nr_part;
c009da4258f988 Frank van der Linden 2025-02-28 756 unsigned long nbits;
c009da4258f988 Frank van der Linden 2025-02-28 757 int r;
c009da4258f988 Frank van der Linden 2025-02-28 758 struct cma_memrange *cmr;
dbe43d4d2837da Jaewon Kim 2017-02-24 759
0ef7dcac998fef Mike Kravetz 2021-05-04 760 spin_lock_irq(&cma->lock);
dbe43d4d2837da Jaewon Kim 2017-02-24 761 pr_info("number of available pages: ");
c009da4258f988 Frank van der Linden 2025-02-28 762 for (r = 0; r < cma->nranges; r++) {
c009da4258f988 Frank van der Linden 2025-02-28 763 cmr = &cma->ranges[r];
c009da4258f988 Frank van der Linden 2025-02-28 764
c009da4258f988 Frank van der Linden 2025-02-28 765 nbits = cma_bitmap_maxno(cma, cmr);
c009da4258f988 Frank van der Linden 2025-02-28 766
c009da4258f988 Frank van der Linden 2025-02-28 767 pr_info("range %d: ", r);
77c50f9147eabc Yury Norov (NVIDIA 2025-07-19 @768) for_each_clear_bitrange(start, end, cmr->bitmap, nbits) {
77c50f9147eabc Yury Norov (NVIDIA 2025-07-19 769) nr_part = (end - start) << cma->order_per_bit;
77c50f9147eabc Yury Norov (NVIDIA 2025-07-19 @770) pr_cont("%s%lu@%lu", start ? "+" : "", nr_part, start);
dbe43d4d2837da Jaewon Kim 2017-02-24 771 }
c009da4258f988 Frank van der Linden 2025-02-28 772 pr_info("\n");
c009da4258f988 Frank van der Linden 2025-02-28 773 }
7365ff2c8eef4e Frank van der Linden 2025-02-28 774 pr_cont("=> %lu free of %lu total pages\n", cma->available_count,
7365ff2c8eef4e Frank van der Linden 2025-02-28 775 cma->count);
0ef7dcac998fef Mike Kravetz 2021-05-04 776 spin_unlock_irq(&cma->lock);
dbe43d4d2837da Jaewon Kim 2017-02-24 777 }
dbe43d4d2837da Jaewon Kim 2017-02-24 778
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 3+ messages in thread
* mm/cma.c:770:24-29: ERROR: iterator variable bound on line 768 cannot be NULL
@ 2026-05-23 20:01 kernel test robot
0 siblings, 0 replies; 3+ messages in thread
From: kernel test robot @ 2026-05-23 20:01 UTC (permalink / raw)
To: oe-kbuild; +Cc: lkp, Julia Lawall
BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
CC: linux-kernel@vger.kernel.org
TO: "Yury Norov (NVIDIA)" <yury.norov@gmail.com>
CC: Andrew Morton <akpm@linux-foundation.org>
CC: Linux Memory Management List <linux-mm@kvack.org>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: eed108edc1170404bbef9e7d0189d18a3cc354f5
commit: 77c50f9147eabcf726f62c73167bb9d9e8621a43 mm: cma: simplify cma_debug_show_areas()
date: 10 months ago
:::::: branch date: 4 hours ago
:::::: commit date: 10 months ago
config: powerpc64-randconfig-r051-20260523 (https://download.01.org/0day-ci/archive/20260524/202605240347.l0pmwezS-lkp@intel.com/config)
compiler: powerpc64-linux-gcc (GCC) 8.5.0
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
| Fixes: 77c50f9147ea ("mm: cma: simplify cma_debug_show_areas()")
| Reported-by: kernel test robot <lkp@intel.com>
| Reported-by: Julia Lawall <julia.lawall@inria.fr>
| Closes: https://lore.kernel.org/r/202605240347.l0pmwezS-lkp@intel.com/
cocci warnings: (new ones prefixed by >>)
>> mm/cma.c:770:24-29: ERROR: iterator variable bound on line 768 cannot be NULL
vim +770 mm/cma.c
c009da4258f988 Frank van der Linden 2025-02-28 751
dbe43d4d2837da Jaewon Kim 2017-02-24 752 static void cma_debug_show_areas(struct cma *cma)
dbe43d4d2837da Jaewon Kim 2017-02-24 753 {
77c50f9147eabc Yury Norov (NVIDIA 2025-07-19 754) unsigned long start, end;
7365ff2c8eef4e Frank van der Linden 2025-02-28 755 unsigned long nr_part;
c009da4258f988 Frank van der Linden 2025-02-28 756 unsigned long nbits;
c009da4258f988 Frank van der Linden 2025-02-28 757 int r;
c009da4258f988 Frank van der Linden 2025-02-28 758 struct cma_memrange *cmr;
dbe43d4d2837da Jaewon Kim 2017-02-24 759
0ef7dcac998fef Mike Kravetz 2021-05-04 760 spin_lock_irq(&cma->lock);
dbe43d4d2837da Jaewon Kim 2017-02-24 761 pr_info("number of available pages: ");
c009da4258f988 Frank van der Linden 2025-02-28 762 for (r = 0; r < cma->nranges; r++) {
c009da4258f988 Frank van der Linden 2025-02-28 763 cmr = &cma->ranges[r];
c009da4258f988 Frank van der Linden 2025-02-28 764
c009da4258f988 Frank van der Linden 2025-02-28 765 nbits = cma_bitmap_maxno(cma, cmr);
c009da4258f988 Frank van der Linden 2025-02-28 766
c009da4258f988 Frank van der Linden 2025-02-28 767 pr_info("range %d: ", r);
77c50f9147eabc Yury Norov (NVIDIA 2025-07-19 @768) for_each_clear_bitrange(start, end, cmr->bitmap, nbits) {
77c50f9147eabc Yury Norov (NVIDIA 2025-07-19 769) nr_part = (end - start) << cma->order_per_bit;
77c50f9147eabc Yury Norov (NVIDIA 2025-07-19 @770) pr_cont("%s%lu@%lu", start ? "+" : "", nr_part, start);
dbe43d4d2837da Jaewon Kim 2017-02-24 771 }
c009da4258f988 Frank van der Linden 2025-02-28 772 pr_info("\n");
c009da4258f988 Frank van der Linden 2025-02-28 773 }
7365ff2c8eef4e Frank van der Linden 2025-02-28 774 pr_cont("=> %lu free of %lu total pages\n", cma->available_count,
7365ff2c8eef4e Frank van der Linden 2025-02-28 775 cma->count);
0ef7dcac998fef Mike Kravetz 2021-05-04 776 spin_unlock_irq(&cma->lock);
dbe43d4d2837da Jaewon Kim 2017-02-24 777 }
dbe43d4d2837da Jaewon Kim 2017-02-24 778
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 3+ messages in thread
* mm/cma.c:770:24-29: ERROR: iterator variable bound on line 768 cannot be NULL
@ 2026-06-29 17:32 kernel test robot
0 siblings, 0 replies; 3+ messages in thread
From: kernel test robot @ 2026-06-29 17:32 UTC (permalink / raw)
To: oe-kbuild; +Cc: lkp, Julia Lawall
BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
CC: linux-kernel@vger.kernel.org
TO: "Yury Norov (NVIDIA)" <yury.norov@gmail.com>
CC: Andrew Morton <akpm@linux-foundation.org>
CC: Linux Memory Management List <linux-mm@kvack.org>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: dc59e4fea9d83f03bad6bddf3fa2e52491777482
commit: 77c50f9147eabcf726f62c73167bb9d9e8621a43 mm: cma: simplify cma_debug_show_areas()
date: 11 months ago
:::::: branch date: 22 hours ago
:::::: commit date: 11 months ago
config: sh-randconfig-r062-20260629 (https://download.01.org/0day-ci/archive/20260630/202606300158.lMSr2D6Z-lkp@intel.com/config)
compiler: sh4-linux-gcc (GCC) 16.1.0
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
| Fixes: 77c50f9147ea ("mm: cma: simplify cma_debug_show_areas()")
| Reported-by: kernel test robot <lkp@intel.com>
| Reported-by: Julia Lawall <julia.lawall@inria.fr>
| Closes: https://lore.kernel.org/r/202606300158.lMSr2D6Z-lkp@intel.com/
cocci warnings: (new ones prefixed by >>)
>> mm/cma.c:770:24-29: ERROR: iterator variable bound on line 768 cannot be NULL
vim +770 mm/cma.c
c009da4258f988 Frank van der Linden 2025-02-28 751
dbe43d4d2837da Jaewon Kim 2017-02-24 752 static void cma_debug_show_areas(struct cma *cma)
dbe43d4d2837da Jaewon Kim 2017-02-24 753 {
77c50f9147eabc Yury Norov (NVIDIA 2025-07-19 754) unsigned long start, end;
7365ff2c8eef4e Frank van der Linden 2025-02-28 755 unsigned long nr_part;
c009da4258f988 Frank van der Linden 2025-02-28 756 unsigned long nbits;
c009da4258f988 Frank van der Linden 2025-02-28 757 int r;
c009da4258f988 Frank van der Linden 2025-02-28 758 struct cma_memrange *cmr;
dbe43d4d2837da Jaewon Kim 2017-02-24 759
0ef7dcac998fef Mike Kravetz 2021-05-04 760 spin_lock_irq(&cma->lock);
dbe43d4d2837da Jaewon Kim 2017-02-24 761 pr_info("number of available pages: ");
c009da4258f988 Frank van der Linden 2025-02-28 762 for (r = 0; r < cma->nranges; r++) {
c009da4258f988 Frank van der Linden 2025-02-28 763 cmr = &cma->ranges[r];
c009da4258f988 Frank van der Linden 2025-02-28 764
c009da4258f988 Frank van der Linden 2025-02-28 765 nbits = cma_bitmap_maxno(cma, cmr);
c009da4258f988 Frank van der Linden 2025-02-28 766
c009da4258f988 Frank van der Linden 2025-02-28 767 pr_info("range %d: ", r);
77c50f9147eabc Yury Norov (NVIDIA 2025-07-19 @768) for_each_clear_bitrange(start, end, cmr->bitmap, nbits) {
77c50f9147eabc Yury Norov (NVIDIA 2025-07-19 769) nr_part = (end - start) << cma->order_per_bit;
77c50f9147eabc Yury Norov (NVIDIA 2025-07-19 @770) pr_cont("%s%lu@%lu", start ? "+" : "", nr_part, start);
dbe43d4d2837da Jaewon Kim 2017-02-24 771 }
c009da4258f988 Frank van der Linden 2025-02-28 772 pr_info("\n");
c009da4258f988 Frank van der Linden 2025-02-28 773 }
7365ff2c8eef4e Frank van der Linden 2025-02-28 774 pr_cont("=> %lu free of %lu total pages\n", cma->available_count,
7365ff2c8eef4e Frank van der Linden 2025-02-28 775 cma->count);
0ef7dcac998fef Mike Kravetz 2021-05-04 776 spin_unlock_irq(&cma->lock);
dbe43d4d2837da Jaewon Kim 2017-02-24 777 }
dbe43d4d2837da Jaewon Kim 2017-02-24 778
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2026-06-29 17:33 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2026-06-29 17:32 mm/cma.c:770:24-29: ERROR: iterator variable bound on line 768 cannot be NULL kernel test robot
-- strict thread matches above, loose matches on Subject: below --
2026-05-23 20:01 kernel test robot
2026-03-23 21:40 kernel test robot
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.