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dkim=pass header.d=oracle.com header.s=corp-2021-07-09 header.b=Cm0nNZ19; dkim=pass header.d=oracle.onmicrosoft.com header.s=selector2-oracle-onmicrosoft-com header.b=nTdqdgxb; spf=none (imf02.hostedemail.com: domain of liam.howlett@oracle.com has no SPF policy when checking 205.220.165.32) smtp.mailfrom=liam.howlett@oracle.com; dmarc=pass (policy=none) header.from=oracle.com X-HE-Tag: 1654177261-991885 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: * kernel test robot [220602 09:24]: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.g= it master > head: 2e776ccffa840ce53ee1c21bde54cbe4bc102c3b > commit: 32355b99dd92f9751a482463d7e239fa06302bc9 [14545/14705] mm/nommu: = move preallocations and limit other allocations > config: arm-buildonly-randconfig-r004-20220531 (https://download.01.org/0= day-ci/archive/20220602/202206022121.RYk2Zgc9-lkp@intel.com/config) > compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project b364= c76683f8ef241025a9556300778c07b590c2) > reproduce (this is a W=3D1 build): > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbi= n/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > # install arm cross compiling tool for clang build > # apt-get install binutils-arm-linux-gnueabi > # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next= .git/commit/?id=3D32355b99dd92f9751a482463d7e239fa06302bc9 > git remote add linux-next https://git.kernel.org/pub/scm/linux/ke= rnel/git/next/linux-next.git > git fetch --no-tags linux-next master > git checkout 32355b99dd92f9751a482463d7e239fa06302bc9 > # save the config file > mkdir build_dir && cp config build_dir/.config > COMPILER_INSTALL_PATH=3D$HOME/0day COMPILER=3Dclang make.cross W= =3D1 O=3Dbuild_dir ARCH=3Darm SHELL=3D/bin/bash >=20 > If you fix the issue, kindly add following tag where applicable > Reported-by: kernel test robot >=20 > All warnings (new ones prefixed by >>): >=20 > mm/nommu.c:593:18: error: incompatible pointer types passing 'struct m= a_state **' to parameter of type 'struct ma_state *'; remove & [-Werror,-Wi= ncompatible-pointer-types] > prev =3D mas_prev(&mas, 0); > ^~~~ > include/linux/maple_tree.h:468:33: note: passing argument to parameter= 'mas' here > void *mas_prev(struct ma_state *mas, unsigned long min); > ^ > mm/nommu.c:594:12: error: incompatible pointer types passing 'struct m= a_state **' to parameter of type 'struct ma_state *'; remove & [-Werror,-Wi= ncompatible-pointer-types] > mas_reset(&mas); > ^~~~ > include/linux/maple_tree.h:505:47: note: passing argument to parameter= 'mas' here > static inline void mas_reset(struct ma_state *mas) > ^ > >> mm/nommu.c:1081:28: warning: variable 'vma' is uninitialized when used= here [-Wuninitialized] > if (mas_preallocate(&mas, vma, GFP_KERNEL)) mas_preallocate does not currently use this variable, but in the future it may be that you are storing a NULL which could affect the preallocations as an optimization. I will fix this by relocating it below the vma allocation. > ^~~ > mm/nommu.c:1055:28: note: initialize the variable 'vma' to silence thi= s warning > struct vm_area_struct *vma; > ^ > =3D NULL > 1 warning and 2 errors generated.=