Hi Rafael, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v4.20-rc6 next-20181212] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Rafael-David-Tinoco/mm-zsmalloc-c-Fix-zsmalloc-32-bit-PAE-support/20181211-020704 config: xtensa-allmodconfig (attached as .config) compiler: xtensa-linux-gcc (GCC) 8.1.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree GCC_VERSION=8.1.0 make.cross ARCH=xtensa All errors (new ones prefixed by >>): >> mm/zsmalloc.c:112:3: error: #error "MAX_POSSIBLE_PHYSMEM_BITS HAS to be defined by arch using zsmalloc"; #error "MAX_POSSIBLE_PHYSMEM_BITS HAS to be defined by arch using zsmalloc"; ^~~~~ vim +112 mm/zsmalloc.c 103 104 /* 105 * MAX_POSSIBLE_PHYSMEM_BITS should be defined by all archs using zsmalloc: 106 * Trying to guess it from MAX_PHYSMEM_BITS, or considering it BITS_PER_LONG, 107 * proved to be wrong by not considering PAE capabilities, or using SPARSEMEM 108 * only headers, leading to bad object encoding due to object index overflow. 109 */ 110 #ifndef MAX_POSSIBLE_PHYSMEM_BITS 111 #define MAX_POSSIBLE_PHYSMEM_BITS BITS_PER_LONG > 112 #error "MAX_POSSIBLE_PHYSMEM_BITS HAS to be defined by arch using zsmalloc"; 113 #else 114 #ifndef CONFIG_64BIT 115 #if (MAX_POSSIBLE_PHYSMEM_BITS >= (BITS_PER_LONG + PAGE_SHIFT - OBJ_TAG_BITS)) 116 #error "MAX_POSSIBLE_PHYSMEM_BITS is wrong for this arch"; 117 #endif 118 #endif 119 #endif 120 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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