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b=TfRQjOtL4rSSQvu8aV2jJSu5THwCjnEUAVm0VwaK2ToWV+ONPhsz14b5ZHcvvuKIf XDKokYSXlVCIMuQt1oc8/m8PXJrrogzxEnV5XFViBVnDndqeWjnsMch8/xUD6uvP8V 7iUPcTO2ajsfjvPOoYXrLOBdUozU9/mbKQdyE3bs= Date: Fri, 16 Jan 2026 15:15:00 -0800 From: Andrew Morton To: kernel test robot Cc: Byungchul Park , oe-kbuild-all@lists.linux.dev, David Hildenbrand , Linux Memory Management List , Pavel Begunkov , =?ISO-8859-1?Q?"Toke_H=F8iland-J=F8rgensen"?= Subject: Re: [akpm-mm:mm-unstable /301] net/core/page_pool.c:713:71: sparse: sparse: incorrect type in argument 1 (different base types) Message-Id: <20260116151500.b56d0cc2525072123ad2d86d@linux-foundation.org> In-Reply-To: <202601161606.8RuyUh2k-lkp@intel.com> References: <202601161606.8RuyUh2k-lkp@intel.com> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: D4F1040003 X-Rspamd-Server: rspam06 X-Stat-Signature: xar5i46omgrxknriq4j3pfibhaoh6jar X-Rspam-User: X-HE-Tag: 1768605302-83531 X-HE-Meta: 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 nMJnNGYj 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 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, 16 Jan 2026 16:41:32 +0800 kernel test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-unstable > head: fe2c34b6ea5a0e1175c30d59bc1c28caafb02c62 > commit: 7699fe82442a62ea29a3745b29dbb8ef8c42d8db [/301] mm: introduce a new page type for page pool in page type > config: x86_64-randconfig-122-20260115 (https://download.01.org/0day-ci/archive/20260116/202601161606.8RuyUh2k-lkp@intel.com/config) > compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260116/202601161606.8RuyUh2k-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/202601161606.8RuyUh2k-lkp@intel.com/ > > sparse warnings: (new ones prefixed by >>) > >> net/core/page_pool.c:713:71: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected restricted netmem_ref [usertype] netmem @@ got unsigned long @@ > net/core/page_pool.c:713:71: sparse: expected restricted netmem_ref [usertype] netmem > net/core/page_pool.c:713:71: sparse: got unsigned long > net/core/page_pool.c:734:73: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected restricted netmem_ref [usertype] netmem @@ got unsigned long @@ > net/core/page_pool.c:734:73: sparse: expected restricted netmem_ref [usertype] netmem > net/core/page_pool.c:734:73: sparse: got unsigned long Oh, OK. Byungchul, please remind me why I'm carrying a page-pool patch? I applied it because email headers and because Suggested-by:David, but these things are usually carried in the networking tree. And I never applied [patch 2/2] (https://lkml.kernel.org/r/20251215071001.78263-3-byungchul@sk.com) because "kernel test robot" reported a build error. In fact, I'll drop the patch - please let's have a redo.