Hi Thomas, kernel test robot noticed the following build warnings: [auto build test WARNING on drm-xe/drm-xe-next] [also build test WARNING on drm-intel/for-linux-next-fixes drm-tip/drm-tip linus/master v6.9-rc4 next-20240416] [cannot apply to drm-misc/drm-misc-next drm/drm-next drm-exynos/exynos-drm-next drm-intel/for-linux-next] [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/Thomas-Hellstr-m/drm-ttm-Allow-TTM-LRU-list-nodes-of-different-types/20240416-181717 base: https://gitlab.freedesktop.org/drm/xe/kernel.git drm-xe-next patch link: https://lore.kernel.org/r/20240416100730.6666-10-thomas.hellstrom%40linux.intel.com patch subject: [PATCH v2 9/9] drm/xe: Add a shrinker for xe bos config: i386-buildonly-randconfig-001-20240417 (https://download.01.org/0day-ci/archive/20240417/202404170528.tBjGQKCR-lkp@xxxxxxxxx/config) compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240417/202404170528.tBjGQKCR-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/202404170528.tBjGQKCR-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from drivers/gpu/drm/xe/xe_bo.c:2420: >> drivers/gpu/drm/xe/tests/xe_bo.c:382:6: warning: format specifies type 'unsigned long' but the argument has type 'size_t' (aka 'unsigned int') [-Wformat] 381 | kunit_info(test, "Free ram is %lu bytes. Will allocate twice of that.\n", | ~~~ | %zu 382 | total); | ^~~~~ include/kunit/test.h:546:39: note: expanded from macro 'kunit_info' 546 | kunit_printk(KERN_INFO, test, fmt, ##__VA_ARGS__) | ~~~ ^~~~~~~~~~~ include/kunit/test.h:534:21: note: expanded from macro 'kunit_printk' 533 | kunit_log(lvl, test, KUNIT_SUBTEST_INDENT "# %s: " fmt, \ | ~~~ 534 | (test)->name, ##__VA_ARGS__) | ^~~~~~~~~~~ include/kunit/test.h:527:21: note: expanded from macro 'kunit_log' 527 | printk(lvl fmt, ##__VA_ARGS__); \ | ~~~ ^~~~~~~~~~~ include/linux/printk.h:457:60: note: expanded from macro 'printk' 457 | #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__) | ~~~ ^~~~~~~~~~~ include/linux/printk.h:429:19: note: expanded from macro 'printk_index_wrap' 429 | _p_func(_fmt, ##__VA_ARGS__); \ | ~~~~ ^~~~~~~~~~~ In file included from drivers/gpu/drm/xe/xe_bo.c:2420: >> drivers/gpu/drm/xe/tests/xe_bo.c:382:6: warning: format specifies type 'unsigned long' but the argument has type 'size_t' (aka 'unsigned int') [-Wformat] 381 | kunit_info(test, "Free ram is %lu bytes. Will allocate twice of that.\n", | ~~~ | %zu 382 | total); | ^~~~~ include/kunit/test.h:546:39: note: expanded from macro 'kunit_info' 546 | kunit_printk(KERN_INFO, test, fmt, ##__VA_ARGS__) | ~~~ ^~~~~~~~~~~ include/kunit/test.h:534:21: note: expanded from macro 'kunit_printk' 533 | kunit_log(lvl, test, KUNIT_SUBTEST_INDENT "# %s: " fmt, \ | ~~~ 534 | (test)->name, ##__VA_ARGS__) | ^~~~~~~~~~~ include/kunit/test.h:529:8: note: expanded from macro 'kunit_log' 528 | kunit_log_append((test_or_suite)->log, fmt, \ | ~~~ 529 | ##__VA_ARGS__); \ | ^~~~~~~~~~~ 2 warnings generated. vim +382 drivers/gpu/drm/xe/tests/xe_bo.c 362 363 /* 364 * Try to create system bos corresponding to twice the amount 365 * of available system memory to test shrinker functionality. 366 * If no swap space is available to accommodate the 367 * memory overcommit, mark bos purgeable. 368 */ 369 static int shrink_test_run_device(struct xe_device *xe) 370 { 371 struct kunit *test = xe_cur_kunit(); 372 LIST_HEAD(bos); 373 struct xe_bo_link *link, *next; 374 struct sysinfo si; 375 size_t total, alloced; 376 unsigned int interrupted = 0, successful = 0; 377 378 si_meminfo(&si); 379 total = si.freeram * si.mem_unit; 380 381 kunit_info(test, "Free ram is %lu bytes. Will allocate twice of that.\n", > 382 total); 383 384 total <<= 1; 385 for (alloced = 0; alloced < total ; alloced += XE_BO_SHRINK_SIZE) { 386 struct xe_bo *bo; 387 unsigned int mem_type; 388 389 link = kzalloc(sizeof(*link), GFP_KERNEL); 390 if (!link) { 391 KUNIT_FAIL(test, "Unexpeced link allocation failure\n"); 392 break; 393 } 394 395 INIT_LIST_HEAD(&link->link); 396 397 /* We can create bos using WC caching here. But it is slower. */ 398 bo = xe_bo_create_user(xe, NULL, NULL, XE_BO_SHRINK_SIZE, 399 DRM_XE_GEM_CPU_CACHING_WB, 400 ttm_bo_type_device, 401 XE_BO_FLAG_SYSTEM); 402 if (IS_ERR(bo)) { 403 if (bo != ERR_PTR(-ENOMEM) && bo != ERR_PTR(-ENOSPC) && 404 bo != ERR_PTR(-EINTR) && bo != ERR_PTR(-ERESTARTSYS)) 405 KUNIT_FAIL(test, "Error creating bo: %pe\n", bo); 406 kfree(link); 407 break; 408 } 409 link->bo = bo; 410 list_add_tail(&link->link, &bos); 411 xe_bo_lock(bo, false); 412 413 /* 414 * If we're low on swap entries, we can't shrink unless the bo 415 * is marked purgeable. 416 */ 417 if (get_nr_swap_pages() < (XE_BO_SHRINK_SIZE >> PAGE_SHIFT) * 128) { 418 struct xe_ttm_tt *xe_tt = 419 container_of(bo->ttm.ttm, typeof(*xe_tt), ttm); 420 long num_pages = xe_tt->ttm.num_pages; 421 422 xe_tt->purgeable = true; 423 xe_shrinker_mod_pages(xe->mem.shrinker, -num_pages, 424 num_pages); 425 } 426 427 mem_type = bo->ttm.resource->mem_type; 428 xe_bo_unlock(bo); 429 if (mem_type != XE_PL_TT) 430 KUNIT_FAIL(test, "Bo in incorrect memory type: %u\n", 431 bo->ttm.resource->mem_type); 432 cond_resched(); 433 if (signal_pending(current)) 434 break; 435 } 436 437 /* Read back and destroy bos */ 438 list_for_each_entry_safe_reverse(link, next, &bos, link) { 439 static struct ttm_operation_ctx ctx = {.interruptible = true}; 440 struct xe_bo *bo = link->bo; 441 int ret; 442 443 if (!signal_pending(current)) { 444 xe_bo_lock(bo, NULL); 445 ret = ttm_bo_validate(&bo->ttm, &tt_placement, &ctx); 446 xe_bo_unlock(bo); 447 if (ret && ret != -EINTR) 448 KUNIT_FAIL(test, "Validation failed: %pe\n", 449 ERR_PTR(ret)); 450 else if (ret) 451 interrupted++; 452 else 453 successful++; 454 } 455 xe_bo_put(link->bo); 456 list_del(&link->link); 457 kfree(link); 458 cond_resched(); 459 } 460 kunit_info(test, "Readbacks interrupted: %u successful: %u\n", 461 interrupted, successful); 462 463 return 0; 464 } 465 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki