Hi Dave, kernel test robot noticed the following build errors:
[auto build test ERROR on drm/drm-next] [cannot apply to akpm-mm/mm-everything linus/master v6.16-rc7 next-20250722] [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/Dave-Airlie/drm-ttm-use-gpu-mm-stats-to-track-gpu-memory-allocations-v4/20250722-104402 base: git://anongit.freedesktop.org/drm/drm drm-next patch link: https://lore.kernel.org/r/20250722014942.1878844-12-airlied%40gmail.com patch subject: [PATCH 11/15] ttm/pool: enable memcg tracking and shrinker. (v2) config: i386-buildonly-randconfig-006-20250722 (https://download.01.org/0day-ci/archive/20250723/202507230300.pukl5sqt-...@intel.com/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250723/202507230300.pukl5sqt-...@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 <l...@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202507230300.pukl5sqt-...@intel.com/ All errors (new ones prefixed by >>): >> drivers/gpu/drm/ttm/ttm_pool.c:665:7: error: no member named 'memcg_data' in >> 'struct page' 665 | p->memcg_data = 0; | ~ ^ drivers/gpu/drm/ttm/ttm_pool.c:1132:11: error: no member named 'memcg_data' in 'struct page' 1132 | page->memcg_data = 0; | ~~~~ ^ 2 errors generated. vim +665 drivers/gpu/drm/ttm/ttm_pool.c 617 618 /* 619 * When restoring, restore backed-up content to the newly allocated page and 620 * if successful, populate the page-table and dma-address arrays. 621 */ 622 static int ttm_pool_restore_commit(struct ttm_pool_tt_restore *restore, 623 struct file *backup, 624 const struct ttm_operation_ctx *ctx, 625 struct ttm_pool_alloc_state *alloc) 626 627 { 628 pgoff_t i, nr = 1UL << restore->order; 629 struct page **first_page = alloc->pages; 630 struct page *p; 631 int ret = 0; 632 633 for (i = restore->restored_pages; i < nr; ++i) { 634 p = first_page[i]; 635 if (ttm_backup_page_ptr_is_handle(p)) { 636 unsigned long handle = ttm_backup_page_ptr_to_handle(p); 637 638 if (IS_ENABLED(CONFIG_FAULT_INJECTION) && ctx->interruptible && 639 should_fail(&backup_fault_inject, 1)) { 640 ret = -EINTR; 641 break; 642 } 643 644 if (handle == 0) { 645 restore->restored_pages++; 646 continue; 647 } 648 649 ret = ttm_backup_copy_page(backup, restore->alloced_page + i, 650 handle, ctx->interruptible); 651 if (ret) 652 break; 653 654 ttm_backup_drop(backup, handle); 655 } else if (p) { 656 /* 657 * We could probably avoid splitting the old page 658 * using clever logic, but ATM we don't care, as 659 * we prioritize releasing memory ASAP. Note that 660 * here, the old retained page is always write-back 661 * cached. 662 */ 663 ttm_pool_split_for_swap(restore->pool, p); 664 copy_highpage(restore->alloced_page + i, p); > 665 p->memcg_data = 0; 666 __free_pages(p, 0); 667 } 668 669 restore->restored_pages++; 670 first_page[i] = ttm_backup_handle_to_page_ptr(0); 671 } 672 673 if (ret) { 674 if (!restore->restored_pages) { 675 dma_addr_t *dma_addr = alloc->dma_addr ? &restore->first_dma : NULL; 676 677 ttm_pool_unmap_and_free(restore->pool, restore->alloced_page, 678 dma_addr, restore->page_caching); 679 restore->restored_pages = nr; 680 } 681 return ret; 682 } 683 684 ttm_pool_allocated_page_commit(restore->alloced_page, restore->first_dma, 685 alloc, nr); 686 if (restore->page_caching == alloc->tt_caching || PageHighMem(restore->alloced_page)) 687 alloc->caching_divide = alloc->pages; 688 restore->snapshot_alloc = *alloc; 689 restore->alloced_pages += nr; 690 691 return 0; 692 } 693 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki