tree: https://git.kernel.org/pub/scm/linux/kernel/git/rppt/linux.git pg_table/v0.0 head: fd150c5a9ef6e3e43818825c69a46de2b427dedf commit: 582d02322eb4f4d2d3903c0967216bc6b671164f [8/18] mm: enable pud allocations for pg_table config: powerpc-randconfig-a001-20200202 (attached as .config) compiler: powerpc64-linux-gcc (GCC) 7.5.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 582d02322eb4f4d2d3903c0967216bc6b671164f # save the attached .config to linux build tree GCC_VERSION=7.5.0 make.cross ARCH=powerpc If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): In file included from arch/powerpc/include/asm/book3s/pgalloc.h:10:0, from arch/powerpc/include/asm/pgalloc.h:68, from arch/powerpc//mm/mem.c:35: arch/powerpc/include/asm/book3s/64/pgalloc.h: In function 'pud_alloc_one': pgtable_gfp_flags(pgt, GFP_KERNEL)); ^~~ In file included from arch/powerpc//mm/mem.c:35:0: arch/powerpc/include/asm/pgalloc.h:8:21: note: expected 'struct mm_struct *' but argument is of type 'struct pg_table *' static inline gfp_t pgtable_gfp_flags(struct mm_struct *mm, gfp_t gfp) ^~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/pgtable_gfp_flags +100 arch/powerpc/include/asm/book3s/64/pgalloc.h 94 95 static inline pud_t *pud_alloc_one(struct pg_table *pgt, unsigned long addr) 96 { 97 pud_t *pud; 98 99 pud = kmem_cache_alloc(PGT_CACHE(PUD_CACHE_INDEX), 101 /* 102 * Tell kmemleak to ignore the PUD, that means don't scan it for 103 * pointers and don't consider it a leak. PUDs are typically only 104 * referred to by their PGD, but kmemleak is not able to recognise those 105 * as pointers, leading to false leak reports. 106 */ 107 kmemleak_ignore(pud); 108 109 return pud; 110 } 111 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org Intel Corporation