Hi Faiyaz, Thank you for the patch! Yet something to improve: [auto build test ERROR on v5.15-rc5] [cannot apply to hnaz-mm/master next-20211013] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Faiyaz-Mohammed/mm-page_alloc-Add-debug-log-in-free_reserved_area-for-static-memory/20211014-151427 base: 64570fbc14f8d7cb3fe3995f20e26bc25ce4b2cc config: hexagon-randconfig-r004-20211014 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 6c76d0101193aa4eb891a6954ff047eda2f9cf71) 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 # https://github.com/0day-ci/linux/commit/009729e4f858e64537a4a144369b155f8d69d62f git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Faiyaz-Mohammed/mm-page_alloc-Add-debug-log-in-free_reserved_area-for-static-memory/20211014-151427 git checkout 009729e4f858e64537a4a144369b155f8d69d62f # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): mm/page_alloc.c:3810:15: warning: no previous prototype for function 'should_fail_alloc_page' [-Wmissing-prototypes] noinline bool should_fail_alloc_page(gfp_t gfp_mask, unsigned int order) ^ mm/page_alloc.c:3810:10: note: declare 'static' if the function is not intended to be used outside of this translation unit noinline bool should_fail_alloc_page(gfp_t gfp_mask, unsigned int order) ^ static >> mm/page_alloc.c:8134:12: error: use of undeclared identifier '__RET_IP_' (void *)__RET_IP_); ^ 1 warning and 1 error generated. vim +/__RET_IP_ +8134 mm/page_alloc.c 8097 8098 unsigned long free_reserved_area(void *start, void *end, int poison, const char *s) 8099 { 8100 const phys_addr_t pstart = __pa(start); 8101 const phys_addr_t pend = __pa(end); 8102 void *pos; 8103 unsigned long pages = 0; 8104 8105 start = (void *)PAGE_ALIGN((unsigned long)start); 8106 end = (void *)((unsigned long)end & PAGE_MASK); 8107 for (pos = start; pos < end; pos += PAGE_SIZE, pages++) { 8108 struct page *page = virt_to_page(pos); 8109 void *direct_map_addr; 8110 8111 /* 8112 * 'direct_map_addr' might be different from 'pos' 8113 * because some architectures' virt_to_page() 8114 * work with aliases. Getting the direct map 8115 * address ensures that we get a _writeable_ 8116 * alias for the memset(). 8117 */ 8118 direct_map_addr = page_address(page); 8119 /* 8120 * Perform a kasan-unchecked memset() since this memory 8121 * has not been initialized. 8122 */ 8123 direct_map_addr = kasan_reset_tag(direct_map_addr); 8124 if ((unsigned int)poison <= 0xFF) 8125 memset(direct_map_addr, poison, PAGE_SIZE); 8126 8127 free_reserved_page(page); 8128 } 8129 8130 if (pages && s) { 8131 pr_info("Freeing %s memory: %ldK\n", 8132 s, pages << (PAGE_SHIFT - 10)); 8133 pr_debug("[%pa-%pa] %pS\n", &pstart, &pend, > 8134 (void *)__RET_IP_); 8135 } 8136 8137 return pages; 8138 } 8139 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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