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Fri, 10 Oct 2025 14:43:04 -0700 (PDT) MIME-Version: 1.0 References: <20251010011951.2136980-2-surenb@google.com> <202510110501.92Srmvgx-lkp@intel.com> In-Reply-To: <202510110501.92Srmvgx-lkp@intel.com> From: Suren Baghdasaryan Date: Fri, 10 Oct 2025 14:42:53 -0700 X-Gm-Features: AS18NWCwzOb_Fs69JrpmWw3AQRynK9NMKzj3B1QDKKaakj7u0qI0Eoy3eq_sHTw Message-ID: Subject: Re: [PATCH 1/8] mm: implement cleancache To: kernel test robot Cc: akpm@linux-foundation.org, llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, david@redhat.com, lorenzo.stoakes@oracle.com, Liam.Howlett@oracle.com, vbabka@suse.cz, alexandru.elisei@arm.com, peterx@redhat.com, sj@kernel.org, rppt@kernel.org, mhocko@suse.com, corbet@lwn.net, axboe@kernel.dk, viro@zeniv.linux.org.uk, brauner@kernel.org, hch@infradead.org, jack@suse.cz, willy@infradead.org, m.szyprowski@samsung.com, robin.murphy@arm.com, hannes@cmpxchg.org, zhengqi.arch@bytedance.com, shakeel.butt@linux.dev, axelrasmussen@google.com, yuanchu@google.com, weixugc@google.com, minchan@kernel.org, linux-mm@kvack.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: 20F67A000A X-Stat-Signature: 6mu5c3nii8c4u95xqxmy5o5cz1t1gbs8 X-Rspam-User: X-HE-Tag: 1760132585-452271 X-HE-Meta: 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 +VdRU6kk M+Hj/yRdwkzC52Z+Cj5SX5dLWAP89i1zPcz+J1nAIT3AMXcJDuWuaEdxm/kZq6+GBTSnwrUNUh1DMDm5wFwJmdIJwUI6z1krm67Ll+rInFdbJSVR9IZ+Wu1jwri1OkOJg59WAA73/IpMcXmK7ePcp58ikps+XoSNG7qZx0FFX7PAShd4TiuImePttmJgPkgVv/O8FSzO8tjIglCv+VeJ9aSXyFjh+fbbwBkBlAG2EUL4L+pFfUi6k43MyzGYXakhd5wbUBSJYoRQAaRMdMx0kbCbvXyWqaRblSeePML25Vd53Jtm+Bf37m38KTxvT4scmGJgZb86fB/fm+qeWQSuGs6MYW4T8bHxkEXOq 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: On Fri, Oct 10, 2025 at 2:18=E2=80=AFPM kernel test robot w= rote: > > Hi Suren, > > kernel test robot noticed the following build errors: > > [auto build test ERROR 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/20251010011951.2136980-2-surenb%= 40google.com > patch subject: [PATCH 1/8] mm: implement cleancache > config: loongarch-allmodconfig (https://download.01.org/0day-ci/archive/2= 0251011/202510110501.92Srmvgx-lkp@intel.com/config) > compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd70= 8029e0b2869e80abe31ddb175f7c35361f90) > reproduce (this is a W=3D1 build): (https://download.01.org/0day-ci/archi= ve/20251011/202510110501.92Srmvgx-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/202510110501.92Srmvgx-lkp= @intel.com/ > > All errors (new ones prefixed by >>): > > >> mm/cleancache.c:119:13: error: casting from randomized structure point= er type 'struct address_space *' to 'struct cleancache_inode *' > 119 | *ccinode =3D (struct cleancache_inode *)folio->mapping= ; > | ^ > 1 error generated. Matthew's suggestion to use unions for members with multiple uses will remove the need for typecasting and should solve this issue. > > > vim +119 mm/cleancache.c > > 113 > 114 static void folio_attachment(struct folio *folio, struct cleancac= he_inode **ccinode, > 115 unsigned long *offset) > 116 { > 117 lockdep_assert_held(&(folio_pool(folio)->lock)); > 118 > > 119 *ccinode =3D (struct cleancache_inode *)folio->mapping; > 120 *offset =3D folio->index; > 121 } > 122 > > -- > 0-DAY CI Kernel Test Service > https://github.com/intel/lkp-tests/wiki