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Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Zi Yan , Alistair Popple , Balbir Singh , linux-fsdevel@vger.kernel.org, nvdimm@lists.linux.dev, linux-kernel@vger.kernel.org, Francois Dugast Subject: Re: [PATCH v4 3/7] fs/dax: Use free_zone_device_folio_prepare() helper Message-ID: <202601121151.afcnEvLk-lkp@intel.com> References: <20260111205820.830410-4-francois.dugast@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260111205820.830410-4-francois.dugast@intel.com> X-Rspamd-Queue-Id: 6403E100003 X-Stat-Signature: sbbn58e5ig5njtb1qan3xerog5rs5y5b X-Rspam-User: X-Rspamd-Server: rspam10 X-HE-Tag: 1768191301-292868 X-HE-Meta: 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 KxLIn6V6 z17lwmLbqFQHr9NPnuZkHhs3b+MDHKUP0TuQH0kFBHRTasJBzAPlEta/K02DNJT7QwWu+MRlig1hGJx7AJm76jOOHrg59DybWRjDqguRVez9NfrY5lmPVjEsmWDdWFtyFCR/0xLscEQuvX/FyZ3Vpp8+KPUPQ7G+YtKoOscCZNOBRcgfLVqttsHSZT8CZpzEu0XVL+4vk/HYL4cAKn41nlt+4CrIU4wSoSl2th2G6SohYbxjdKe4rEPx2P8asJ+hOnh+ufVOXH5c2mjMRZQwdm9uMKg8nbE8faXhJDsMZlPd/xWaWAVSFbQ+KmRZ+sZfRoIMLAcXOF4mNz46FXY+vwPog3G0BcwfmGgidrl5BxSCH6g20QI8YMh3U/6FYmi1P8xF00YrZz4YWtV60oB1Al7mPNwSdGxTHfgOZHhP6w9twJE4= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hi Francois, kernel test robot noticed the following build warnings: [auto build test WARNING on drm-tip/drm-tip] [also build test WARNING on linus/master v6.19-rc4 next-20260109] [cannot apply to drm-misc/drm-misc-next akpm-mm/mm-everything powerpc/topic/ppc-kvm pci/next pci/for-linus akpm-mm/mm-nonmm-unstable brauner-vfs/vfs.all daeinki-drm-exynos/exynos-drm-next drm/drm-next drm-i915/for-linux-next drm-i915/for-linux-next-fixes] [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/Francois-Dugast/mm-zone_device-Add-order-argument-to-folio_free-callback/20260112-050347 base: https://gitlab.freedesktop.org/drm/tip.git drm-tip patch link: https://lore.kernel.org/r/20260111205820.830410-4-francois.dugast%40intel.com patch subject: [PATCH v4 3/7] fs/dax: Use free_zone_device_folio_prepare() helper config: x86_64-rhel-9.4-rust (https://download.01.org/0day-ci/archive/20260112/202601121151.afcnEvLk-lkp@intel.com/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) rustc: rustc 1.88.0 (6b00bc388 2025-06-23) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260112/202601121151.afcnEvLk-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202601121151.afcnEvLk-lkp@intel.com/ All warnings (new ones prefixed by >>): >> fs/dax.c:384:6: warning: unused variable 'order' [-Wunused-variable] 384 | int order, i; | ^~~~~ >> fs/dax.c:384:13: warning: unused variable 'i' [-Wunused-variable] 384 | int order, i; | ^ 2 warnings generated. vim +/order +384 fs/dax.c 38607c62b34b46 Alistair Popple 2025-02-28 380 38607c62b34b46 Alistair Popple 2025-02-28 381 static inline unsigned long dax_folio_put(struct folio *folio) 6061b69b9a550a Shiyang Ruan 2022-06-03 382 { 38607c62b34b46 Alistair Popple 2025-02-28 383 unsigned long ref; 38607c62b34b46 Alistair Popple 2025-02-28 @384 int order, i; 38607c62b34b46 Alistair Popple 2025-02-28 385 38607c62b34b46 Alistair Popple 2025-02-28 386 if (!dax_folio_is_shared(folio)) 38607c62b34b46 Alistair Popple 2025-02-28 387 ref = 0; 38607c62b34b46 Alistair Popple 2025-02-28 388 else 38607c62b34b46 Alistair Popple 2025-02-28 389 ref = --folio->share; 38607c62b34b46 Alistair Popple 2025-02-28 390 38607c62b34b46 Alistair Popple 2025-02-28 391 if (ref) 38607c62b34b46 Alistair Popple 2025-02-28 392 return ref; 38607c62b34b46 Alistair Popple 2025-02-28 393 ae869c69ed0719 Matthew Brost 2026-01-11 394 free_zone_device_folio_prepare(folio); 16900426586032 Shiyang Ruan 2022-12-01 395 38607c62b34b46 Alistair Popple 2025-02-28 396 return ref; 16900426586032 Shiyang Ruan 2022-12-01 397 } 16900426586032 Shiyang Ruan 2022-12-01 398 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki