* Liam R. Howlett <Liam.Howlett@Oracle.com> [220602 09:40]:
> * kernel test robot <lkp@intel.com> [220602 09:24]:
> > tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git 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/0day-ci/archive/20220602/202206022121.RYk2Zgc9-lkp@intel.com/config)
> > compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project b364c76683f8ef241025a9556300778c07b590c2)
> > reproduce (this is a W=1 build):
> >         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/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=32355b99dd92f9751a482463d7e239fa06302bc9
> >         git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/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=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash
> > 
> > If you fix the issue, kindly add following tag where applicable
> > Reported-by: kernel test robot <lkp@intel.com>
> > 
> > All warnings (new ones prefixed by >>):
> > 
> >    mm/nommu.c:593:18: error: incompatible pointer types passing 'struct ma_state **' to parameter of type 'struct ma_state *'; remove & [-Werror,-Wincompatible-pointer-types]
> >            prev = 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 ma_state **' to parameter of type 'struct ma_state *'; remove & [-Werror,-Wincompatible-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.

Andrew,

Please find the attached patch to fix up the commit mentioned above
"32355b99dd92f: mm/nommu: move preallocations and limit other
allocations"

Thanks,
Liam