* Re: [PATCH] mm: Make SPLIT_PTE_PTLOCKS depend on the existence of NR_CPUS
[not found] <20240923142533.1197982-1-linux@roeck-us.net>
@ 2024-09-23 21:51 ` kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2024-09-23 21:51 UTC (permalink / raw)
To: Guenter Roeck, Andrew Morton
Cc: llvm, oe-kbuild-all, Linux Memory Management List, linux-kernel,
Guenter Roeck, David Hildenbrand, Geert Uytterhoeven
Hi Guenter,
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/Guenter-Roeck/mm-Make-SPLIT_PTE_PTLOCKS-depend-on-the-existence-of-NR_CPUS/20240923-222628
base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
patch link: https://lore.kernel.org/r/20240923142533.1197982-1-linux%40roeck-us.net
patch subject: [PATCH] mm: Make SPLIT_PTE_PTLOCKS depend on the existence of NR_CPUS
config: s390-defconfig (https://download.01.org/0day-ci/archive/20240924/202409240546.SJwj9tUj-lkp@intel.com/config)
compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 8663a75fa2f31299ab8d1d90288d9df92aadee88)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240924/202409240546.SJwj9tUj-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/202409240546.SJwj9tUj-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from arch/s390/mm/gmap.c:12:
In file included from include/linux/pagewalk.h:5:
In file included from include/linux/mm.h:2198:
include/linux/vmstat.h:504:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
504 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~ ^
505 | item];
| ~~~~
include/linux/vmstat.h:511:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
511 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~ ^
512 | NR_VM_NUMA_EVENT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~~
include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
518 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
| ~~~~~~~~~~~ ^ ~~~
include/linux/vmstat.h:524:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
524 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~ ^
525 | NR_VM_NUMA_EVENT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~~
>> arch/s390/mm/gmap.c:357:9: error: call to undeclared function 'pmd_pgtable_page'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
357 | page = pmd_pgtable_page((pmd_t *) entry);
| ^
>> arch/s390/mm/gmap.c:357:7: error: incompatible integer to pointer conversion assigning to 'struct page *' from 'int' [-Wint-conversion]
357 | page = pmd_pgtable_page((pmd_t *) entry);
| ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
4 warnings and 2 errors generated.
vim +/pmd_pgtable_page +357 arch/s390/mm/gmap.c
1e133ab296f3ff Martin Schwidefsky 2016-03-08 343
1e133ab296f3ff Martin Schwidefsky 2016-03-08 344 /**
1e133ab296f3ff Martin Schwidefsky 2016-03-08 345 * __gmap_segment_gaddr - find virtual address from segment pointer
1e133ab296f3ff Martin Schwidefsky 2016-03-08 346 * @entry: pointer to a segment table entry in the guest address space
1e133ab296f3ff Martin Schwidefsky 2016-03-08 347 *
1e133ab296f3ff Martin Schwidefsky 2016-03-08 348 * Returns the virtual address in the guest address space for the segment
1e133ab296f3ff Martin Schwidefsky 2016-03-08 349 */
1e133ab296f3ff Martin Schwidefsky 2016-03-08 350 static unsigned long __gmap_segment_gaddr(unsigned long *entry)
1e133ab296f3ff Martin Schwidefsky 2016-03-08 351 {
1e133ab296f3ff Martin Schwidefsky 2016-03-08 352 struct page *page;
7e25de77bc5ea5 Anshuman Khandual 2022-11-25 353 unsigned long offset;
1e133ab296f3ff Martin Schwidefsky 2016-03-08 354
1e133ab296f3ff Martin Schwidefsky 2016-03-08 355 offset = (unsigned long) entry / sizeof(unsigned long);
1e133ab296f3ff Martin Schwidefsky 2016-03-08 356 offset = (offset & (PTRS_PER_PMD - 1)) * PMD_SIZE;
7e25de77bc5ea5 Anshuman Khandual 2022-11-25 @357 page = pmd_pgtable_page((pmd_t *) entry);
1e133ab296f3ff Martin Schwidefsky 2016-03-08 358 return page->index + offset;
1e133ab296f3ff Martin Schwidefsky 2016-03-08 359 }
1e133ab296f3ff Martin Schwidefsky 2016-03-08 360
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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