* Re: [PATCH 5/8] mm/tests: add cleancache kunit test [not found] <20251010011951.2136980-6-surenb@google.com> @ 2025-10-11 2:57 ` kernel test robot 2025-10-11 21:47 ` Suren Baghdasaryan 0 siblings, 1 reply; 2+ messages in thread From: kernel test robot @ 2025-10-11 2:57 UTC (permalink / raw) To: Suren Baghdasaryan, akpm Cc: llvm, oe-kbuild-all, david, lorenzo.stoakes, Liam.Howlett, vbabka, alexandru.elisei, peterx, sj, rppt, mhocko, corbet, axboe, viro, brauner, hch, jack, willy, m.szyprowski, robin.murphy, hannes, zhengqi.arch, shakeel.butt, axelrasmussen, yuanchu, weixugc, minchan, surenb, linux-mm, linux-doc, linux-kernel Hi Suren, kernel test robot noticed the following build warnings: [auto build test WARNING on 70478cb9da6fc4e7b987219173ba1681d5f7dd3d] url: https://github.com/intel-lab-lkp/linux/commits/Suren-Baghdasaryan/mm-implement-cleancache/20251010-134501 base: 70478cb9da6fc4e7b987219173ba1681d5f7dd3d patch link: https://lore.kernel.org/r/20251010011951.2136980-6-surenb%40google.com patch subject: [PATCH 5/8] mm/tests: add cleancache kunit test config: loongarch-allmodconfig (https://download.01.org/0day-ci/archive/20251011/202510111059.aKceYLLH-lkp@intel.com/config) compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251011/202510111059.aKceYLLH-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/202510111059.aKceYLLH-lkp@intel.com/ All warnings (new ones prefixed by >>): >> mm/tests/cleancache_kunit.c:358:6: warning: variable 'unused' set but not used [-Wunused-but-set-variable] 358 | int unused = 0; | ^ 1 warning generated. vim +/unused +358 mm/tests/cleancache_kunit.c 353 354 static void cleancache_backend_api_test(struct kunit *test) 355 { 356 struct folio *folio; 357 LIST_HEAD(folios); > 358 int unused = 0; 359 int used = 0; 360 361 /* Store inode folios into cleancache */ 362 fill_cleancache(test); 363 364 /* Get all donated folios back */ 365 for (int fidx = 0; fidx < FOLIO_COUNT; fidx++) { 366 KUNIT_EXPECT_EQ(test, cleancache_backend_get_folio(test_data.pool_id, 367 test_data.pool_folios[fidx]), 0); 368 set_page_refcounted(&test_data.pool_folios[fidx]->page); 369 } 370 371 /* Try putting a refcounted folio */ 372 KUNIT_EXPECT_NE(test, cleancache_backend_put_folio(test_data.pool_id, 373 test_data.pool_folios[0]), 0); 374 375 /* Put some of the folios back into cleancache */ 376 for (int fidx = 0; fidx < FOLIOS_PER_INODE; fidx++) { 377 folio_ref_freeze(test_data.pool_folios[fidx], 1); 378 KUNIT_EXPECT_EQ(test, cleancache_backend_put_folio(test_data.pool_id, 379 test_data.pool_folios[fidx]), 0); 380 } 381 382 /* Put the rest back into cleancache but keep half of folios still refcounted */ 383 for (int fidx = FOLIOS_PER_INODE; fidx < FOLIO_COUNT; fidx++) { 384 if (fidx % 2) { 385 folio_ref_freeze(test_data.pool_folios[fidx], 1); 386 unused++; 387 } else { 388 used++; 389 } 390 list_add(&test_data.pool_folios[fidx]->lru, &folios); 391 } 392 KUNIT_EXPECT_NE(test, cleancache_backend_put_folios(test_data.pool_id, 393 &folios), 0); 394 /* Used folios should be still in the list */ 395 KUNIT_EXPECT_EQ(test, list_count_nodes(&folios), used); 396 397 /* Release refcounts and put the remaining folios into cleancache */ 398 list_for_each_entry(folio, &folios, lru) 399 folio_ref_freeze(folio, 1); 400 KUNIT_EXPECT_EQ(test, cleancache_backend_put_folios(test_data.pool_id, 401 &folios), 0); 402 KUNIT_EXPECT_TRUE(test, list_empty(&folios)); 403 } 404 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki ^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH 5/8] mm/tests: add cleancache kunit test 2025-10-11 2:57 ` [PATCH 5/8] mm/tests: add cleancache kunit test kernel test robot @ 2025-10-11 21:47 ` Suren Baghdasaryan 0 siblings, 0 replies; 2+ messages in thread From: Suren Baghdasaryan @ 2025-10-11 21:47 UTC (permalink / raw) To: kernel test robot Cc: akpm, llvm, oe-kbuild-all, david, lorenzo.stoakes, Liam.Howlett, vbabka, alexandru.elisei, peterx, sj, rppt, mhocko, corbet, axboe, viro, brauner, hch, jack, willy, m.szyprowski, robin.murphy, hannes, zhengqi.arch, shakeel.butt, axelrasmussen, yuanchu, weixugc, minchan, linux-mm, linux-doc, linux-kernel On Fri, Oct 10, 2025 at 7:58 PM kernel test robot <lkp@intel.com> wrote: > > Hi Suren, > > kernel test robot noticed the following build warnings: > > [auto build test WARNING on 70478cb9da6fc4e7b987219173ba1681d5f7dd3d] > > url: https://github.com/intel-lab-lkp/linux/commits/Suren-Baghdasaryan/mm-implement-cleancache/20251010-134501 > base: 70478cb9da6fc4e7b987219173ba1681d5f7dd3d > patch link: https://lore.kernel.org/r/20251010011951.2136980-6-surenb%40google.com > patch subject: [PATCH 5/8] mm/tests: add cleancache kunit test > config: loongarch-allmodconfig (https://download.01.org/0day-ci/archive/20251011/202510111059.aKceYLLH-lkp@intel.com/config) > compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90) > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251011/202510111059.aKceYLLH-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/202510111059.aKceYLLH-lkp@intel.com/ > > All warnings (new ones prefixed by >>): > > >> mm/tests/cleancache_kunit.c:358:6: warning: variable 'unused' set but not used [-Wunused-but-set-variable] > 358 | int unused = 0; > | ^ > 1 warning generated. Right, I'll remove it. > > > vim +/unused +358 mm/tests/cleancache_kunit.c > > 353 > 354 static void cleancache_backend_api_test(struct kunit *test) > 355 { > 356 struct folio *folio; > 357 LIST_HEAD(folios); > > 358 int unused = 0; > 359 int used = 0; > 360 > 361 /* Store inode folios into cleancache */ > 362 fill_cleancache(test); > 363 > 364 /* Get all donated folios back */ > 365 for (int fidx = 0; fidx < FOLIO_COUNT; fidx++) { > 366 KUNIT_EXPECT_EQ(test, cleancache_backend_get_folio(test_data.pool_id, > 367 test_data.pool_folios[fidx]), 0); > 368 set_page_refcounted(&test_data.pool_folios[fidx]->page); > 369 } > 370 > 371 /* Try putting a refcounted folio */ > 372 KUNIT_EXPECT_NE(test, cleancache_backend_put_folio(test_data.pool_id, > 373 test_data.pool_folios[0]), 0); > 374 > 375 /* Put some of the folios back into cleancache */ > 376 for (int fidx = 0; fidx < FOLIOS_PER_INODE; fidx++) { > 377 folio_ref_freeze(test_data.pool_folios[fidx], 1); > 378 KUNIT_EXPECT_EQ(test, cleancache_backend_put_folio(test_data.pool_id, > 379 test_data.pool_folios[fidx]), 0); > 380 } > 381 > 382 /* Put the rest back into cleancache but keep half of folios still refcounted */ > 383 for (int fidx = FOLIOS_PER_INODE; fidx < FOLIO_COUNT; fidx++) { > 384 if (fidx % 2) { > 385 folio_ref_freeze(test_data.pool_folios[fidx], 1); > 386 unused++; > 387 } else { > 388 used++; > 389 } > 390 list_add(&test_data.pool_folios[fidx]->lru, &folios); > 391 } > 392 KUNIT_EXPECT_NE(test, cleancache_backend_put_folios(test_data.pool_id, > 393 &folios), 0); > 394 /* Used folios should be still in the list */ > 395 KUNIT_EXPECT_EQ(test, list_count_nodes(&folios), used); > 396 > 397 /* Release refcounts and put the remaining folios into cleancache */ > 398 list_for_each_entry(folio, &folios, lru) > 399 folio_ref_freeze(folio, 1); > 400 KUNIT_EXPECT_EQ(test, cleancache_backend_put_folios(test_data.pool_id, > 401 &folios), 0); > 402 KUNIT_EXPECT_TRUE(test, list_empty(&folios)); > 403 } > 404 > > -- > 0-DAY CI Kernel Test Service > https://github.com/intel/lkp-tests/wiki ^ permalink raw reply [flat|nested] 2+ messages in thread
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2025-10-11 2:57 ` [PATCH 5/8] mm/tests: add cleancache kunit test kernel test robot
2025-10-11 21:47 ` Suren Baghdasaryan
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