Hi Christoph, kernel test robot noticed the following build errors: [auto build test ERROR on next-20250507] [cannot apply to akpm-mm/mm-everything konis-nilfs2/upstream linus/master v6.15-rc5 v6.15-rc4 v6.15-rc3 v6.15-rc5] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Christoph-Hellwig/mm-stop-passing-a-writeback_control-structure-to-shmem_writeout/20250508-144804 base: next-20250507 patch link: https://lore.kernel.org/r/20250508054938.15894-6-hch%40lst.de patch subject: [PATCH 5/7] mm: stop passing a writeback_control structure to swap_writeout config: openrisc-allnoconfig (https://download.01.org/0day-ci/archive/20250508/202505081941.kyY28sRZ-lkp@xxxxxxxxx/config) compiler: or1k-linux-gcc (GCC) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250508/202505081941.kyY28sRZ-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202505081941.kyY28sRZ-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): mm/vmscan.c: In function 'writeout': >> mm/vmscan.c:670:44: error: passing argument 2 of 'swap_writeout' from incompatible pointer type [-Wincompatible-pointer-types] 670 | res = swap_writeout(folio, plug); | ^~~~ | | | struct swap_iocb ** In file included from mm/vmscan.c:69: mm/swap.h:146:76: note: expected 'struct writeback_control *' but argument is of type 'struct swap_iocb **' 146 | static inline int swap_writeout(struct folio *f, struct writeback_control *wbc) | ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~ -- mm/shmem.c: In function 'shmem_writeout': >> mm/shmem.c:1644:45: error: passing argument 2 of 'swap_writeout' from incompatible pointer type [-Wincompatible-pointer-types] 1644 | return swap_writeout(folio, plug); | ^~~~ | | | struct swap_iocb ** In file included from mm/shmem.c:44: mm/swap.h:146:76: note: expected 'struct writeback_control *' but argument is of type 'struct swap_iocb **' 146 | static inline int swap_writeout(struct folio *f, struct writeback_control *wbc) | ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~ vim +/swap_writeout +670 mm/vmscan.c 654 655 static pageout_t writeout(struct folio *folio, struct address_space *mapping, 656 struct swap_iocb **plug, struct list_head *folio_list) 657 { 658 int res; 659 660 folio_set_reclaim(folio); 661 662 /* 663 * The large shmem folio can be split if CONFIG_THP_SWAP is not enabled 664 * or we failed to allocate contiguous swap entries, in which case 665 * the split out folios get added back to folio_list. 666 */ 667 if (shmem_mapping(mapping)) 668 res = shmem_writeout(folio, plug, folio_list); 669 else > 670 res = swap_writeout(folio, plug); 671 672 if (res < 0) 673 handle_write_error(mapping, folio, res); 674 if (res == AOP_WRITEPAGE_ACTIVATE) { 675 folio_clear_reclaim(folio); 676 return PAGE_ACTIVATE; 677 } 678 679 /* synchronous write? */ 680 if (!folio_test_writeback(folio)) 681 folio_clear_reclaim(folio); 682 683 trace_mm_vmscan_write_folio(folio); 684 node_stat_add_folio(folio, NR_VMSCAN_WRITE); 685 return PAGE_SUCCESS; 686 } 687 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
