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AJvYcCWw0sfuf1d7KpgOnWw6PXIdrntNfvRyW4DTYy1Ji351vrz+DeXiREODPYc84LXd6mbYe8cFS3rzzQ==@kvack.org X-Gm-Message-State: AOJu0Yyr4a07tbCRkStnYc03EF80lovkefYxKuZnPcGIgYSlIMFMtV6k 0RlxDQjjlxAmzlqE2r6DSm21x6oyjOKngX4LPWCPelSqSu5oi6QUqf4Bbdw3KsrwJa6PIXeAve+ Sua/d/MXLY2iSqYb5hmMa8A5Y/VEdqrEx8lR0VpUC X-Gm-Gg: AZuq6aLBSdij+h8LRerG2dTsmI+Lj/uOgCSCukRZrVSxzydzCGHqQ7fLw/aC0U5tcCQ JiQIn5y3OqwMR89q+QppArtFArAN3VyZ02DauhEdIQfAjTJBsoTiU3eSBWgqx62aoK2Kf247g+L ACTQaSLwh55fcoD5OTkRsCe3UdLZBnD3kzN4aNk04ejITbmPT3llFb3c7v0Wy947NrYMGL0P2nO FcJ5M4MxfLiKN3QEeiJZ5z0CnEq/uUVj5uIGN/C7spC6/pStqJdhGVtNIiUqt/iIJqw/tJXXmbu egRRxbtktFOJg+JPKFNOJsbXp6AiuKNNSmLDc07/hy+y7vIT X-Received: by 2002:ac8:7d41:0:b0:4ff:bf96:db86 with SMTP id d75a77b69052e-50739028793mr2962101cf.16.1771967711072; Tue, 24 Feb 2026 13:15:11 -0800 (PST) MIME-Version: 1.0 References: <20260224165250.1322946-1-surenb@google.com> <202602250250.n38q74JK-lkp@intel.com> In-Reply-To: <202602250250.n38q74JK-lkp@intel.com> From: Suren Baghdasaryan Date: Tue, 24 Feb 2026 13:14:59 -0800 X-Gm-Features: AaiRm51WuymRTNAhPkBO-yVwq4mhRHWTiS7MnS75L9UZH8fj6ktQ_w2NQi6eNiI Message-ID: Subject: Re: [PATCH 1/1] mm/slab: mark alloc tags empty for sheafs allocated with __GFP_NO_OBJ_EXT To: kernel test robot Cc: akpm@linux-foundation.org, llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, vbabka@suse.cz, harry.yoo@oracle.com, 00107082@163.com, cl@gentwo.org, rientjes@google.com, roman.gushchin@linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Stat-Signature: 7pn6y71rq7pnwwnc8ghkjb7nytrf783w X-Rspam-User: X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: A1B924000D X-HE-Tag: 1771967712-592098 X-HE-Meta: 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 VM/mdLYk vIsh/Ra/3zkvUO51kIpJS9BsxPKAcyulymOt0Yt7Zl7kcRdNrS0KZ4AxGSo6awAT5ERES4g+BfN4ed0cEsQgkLOTafrYI4RnQ3Mn91M0ysyu2UrsELOiQeNW9ZesX1nfrCXvbWJ4o7edLKrdlCiSf5oqkSBq4+2q0+XgnDHzOFYFb9KSSQw3Yn0Pmcej5J6pEg0jzd7mDbFOfkDQ+3q2LElR002oT+wTsPDfRnTxZL9Eb65DqOU1993WYGN1hsrvplICYrFwS7x3dALwW53n2+lnUz0wZsUn4A9wjols24Ar4rYqvpm5qUO8m+O//hmq9QJwC2vFGeUofwuZbzxTiqLMPdaujECi+zzWEGCCX8BKGagt4EV1TcQKeC4gv1k/D/bm98LGH3jgrSogRNsB6r+UErwvOMLZ6rgQladVhAfjUaWUfDgvZF4MD9g== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Tue, Feb 24, 2026 at 10:54=E2=80=AFAM kernel test robot = wrote: > > Hi Suren, > > kernel test robot noticed the following build errors: > > [auto build test ERROR on 7dff99b354601dd01829e1511711846e04340a69] > > url: https://github.com/intel-lab-lkp/linux/commits/Suren-Baghdasaryan= /mm-slab-mark-alloc-tags-empty-for-sheafs-allocated-with-__GFP_NO_OBJ_EXT/2= 0260225-005422 > base: 7dff99b354601dd01829e1511711846e04340a69 > patch link: https://lore.kernel.org/r/20260224165250.1322946-1-surenb%= 40google.com > patch subject: [PATCH 1/1] mm/slab: mark alloc tags empty for sheafs allo= cated with __GFP_NO_OBJ_EXT > config: x86_64-allnoconfig (https://download.01.org/0day-ci/archive/20260= 225/202602250250.n38q74JK-lkp@intel.com/config) > compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0= 227cb60147a26a1eeb4fb06e3b505e9c7261) > reproduce (this is a W=3D1 build): (https://download.01.org/0day-ci/archi= ve/20260225/202602250250.n38q74JK-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/202602250250.n38q74JK-lkp= @intel.com/ > > All errors (new ones prefixed by >>): > > >> mm/slub.c:2787:3: error: call to undeclared function 'mark_objexts_emp= ty'; ISO C99 and later do not support implicit function declarations [-Wimp= licit-function-declaration] > 2787 | mark_objexts_empty(sheaf); > | ^ > 1 error generated. Thanks! In a hurry to post the fix I forgot to update the mark_objexts_empty() definition for !CONFIG_MEM_ALLOC_PROFILING_DEBUG. I'll post a fixed version shortly. > > > vim +/mark_objexts_empty +2787 mm/slub.c > > 2783 > 2784 static void free_empty_sheaf(struct kmem_cache *s, struct slab_sh= eaf *sheaf) > 2785 { > 2786 if (s->flags & SLAB_KMALLOC) > > 2787 mark_objexts_empty(sheaf); > 2788 > 2789 kfree(sheaf); > 2790 > 2791 stat(s, SHEAF_FREE); > 2792 } > 2793 > > -- > 0-DAY CI Kernel Test Service > https://github.com/intel/lkp-tests/wiki