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AJvYcCXbwVWELBbiOZ06zcVTOM5jtdWbX7nqMefqd9wdTFBEvv08BNJ4mB1j3kqpbxWno+jpNMouwoS5OVyFCey8exP/SJE= X-Gm-Message-State: AOJu0Yw+qpvKfjsH7xaqNn8+EPmmIfbv1UdvTYMUP4ERYrc/40gPp1oI 3fnVUVuy0CB4J9qrKC7FrLrZ9cjQuZG3dBPVb7ivuEOafVXU8xQcVv2qvnWrwDPx+rI/yvMewmH U236CUHKKv+qsFQ0P5tRjoskfJPaRfVnbiC7Q X-Google-Smtp-Source: AGHT+IFhB7a+a8BufuhlkTWktjp2U5ed8yphy1GsV9RSCnMPrnocZGbTiFQNSoEMqZd7f6XE4G2m/LQxA5D5a5Q+8sc= X-Received: by 2002:a5b:b0b:0:b0:e03:ae1c:8d0f with SMTP id 3f1490d57ef6-e041b17328fmr10346582276.59.1720717764206; Thu, 11 Jul 2024 10:09:24 -0700 (PDT) MIME-Version: 1.0 References: <202407050845.zNONqauD-lkp@intel.com> In-Reply-To: <202407050845.zNONqauD-lkp@intel.com> From: Suren Baghdasaryan Date: Thu, 11 Jul 2024 10:09:13 -0700 Message-ID: Subject: Re: mm/slub.c:2077:1: error: unused function 'prepare_slab_obj_exts_hook' To: kernel test robot Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Andrew Morton , Linux Memory Management List Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: 7B4F018002F X-Stat-Signature: ku8t3q368h73y8qpcn9oyufij88t7zkq X-Rspam-User: X-HE-Tag: 1720717765-947320 X-HE-Meta: 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 hTHKmFx1 Hes83dUb45qzLPECUf1evq08dEHv/3IszlVv73oC2/Te00QSP4DRFxEyRRRJ4e84vBnxs1bE8djz+Zwr4qHCXwpZypSYGxdKnvyRcq0/KBXEcV9FkWyZPj5OOzJ0UMBLeaVPa6O2wDW+HAbSxnWZ4a7tDzpWxkDmJxvwSftCqOVFGdmrFt7vwNKamZ2y2Ct7LMiLNdSjVBDcXf5kEf0J+mwnJza6SHJnq9Enuj2KLnO7t4dkOOzmqzg52dgyk0I1lnY/In4TL8O+bCA1M8yec72+ZCUZEy0ZcVI/c3mhrfh9Y7O48HGEEjtm3zt/sl3tvyjgowdji2cPhIYo/RaBF8TE+CoPmhbMmYazUQjCiOiLHGV37mXgEp0CCiMVPiNgPUda+ZiV7kCfin2GQoPCxku5lDBUWNyeV2wR8FhnSzNGDCtqzQyODal6VxLr+73W4HH6ImMTl9UYjWiODEsU/y0tYpw== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000189, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Thu, Jul 4, 2024 at 5:35=E2=80=AFPM kernel test robot wr= ote: > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.gi= t master > head: 661e504db04c6b7278737ee3a9116738536b4ed4 > commit: b4601d096aac8ed26afa88ef8b249975b0530ca1 mm/slab: fix 'variable o= bj_exts set but not used' warning > date: 10 days ago > config: x86_64-sof-customedconfig-amd-defconfig (https://download.01.org/= 0day-ci/archive/20240705/202407050845.zNONqauD-lkp@intel.com/config) > compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a= 15a9eac96088ae5e9134248d8236e34b91b1) > reproduce (this is a W=3D1 build): (https://download.01.org/0day-ci/archi= ve/20240705/202407050845.zNONqauD-lkp@intel.com/reproduce) > > If you fix the issue in a separate patch/commit (i.e. not just a new vers= ion of > the same patch/commit), kindly add following tags > | Reported-by: kernel test robot > | Closes: https://lore.kernel.org/oe-kbuild-all/202407050845.zNONqauD-lkp= @intel.com/ Fix is posted at https://lore.kernel.org/all/20240711170216.1149695-1-surenb@google.com/ over slab/for-next baseline because that branch contains another code refactoring [1] which would cause merge conflicts. [1] https://lore.kernel.org/all/20240704135941.1145038-1-surenb@google.com/ > > All errors (new ones prefixed by >>): > > >> mm/slub.c:2077:1: error: unused function 'prepare_slab_obj_exts_hook' = [-Werror,-Wunused-function] > 2077 | prepare_slab_obj_exts_hook(struct kmem_cache *s, gfp_t flags, = void *p) > | ^~~~~~~~~~~~~~~~~~~~~~~~~~ > 1 error generated. > > > vim +/prepare_slab_obj_exts_hook +2077 mm/slub.c > > 0bedcc66d2a43a Vlastimil Babka 2023-10-03 2075 > 4b8736964640fe Suren Baghdasaryan 2024-03-21 2076 static inline struct = slabobj_ext * > 4b8736964640fe Suren Baghdasaryan 2024-03-21 @2077 prepare_slab_obj_exts= _hook(struct kmem_cache *s, gfp_t flags, void *p) > 3450a0e5a6fc4c Vlastimil Babka 2023-11-13 2078 { > 4b8736964640fe Suren Baghdasaryan 2024-03-21 2079 return NULL; > 4b8736964640fe Suren Baghdasaryan 2024-03-21 2080 } > 3450a0e5a6fc4c Vlastimil Babka 2023-11-13 2081 > > :::::: The code at line 2077 was first introduced by commit > :::::: 4b8736964640fe160724e7135dc62883bddcdace mm/slab: add allocation a= ccounting into slab allocation and free paths > > :::::: TO: Suren Baghdasaryan > :::::: CC: Andrew Morton > > -- > 0-DAY CI Kernel Test Service > https://github.com/intel/lkp-tests/wiki