[android-common:main-16k-gs-shusky-5.15 35/35] drivers/cma/mm/mem_phys_layout.c:252:39: warning: initialization of 'struct mem_section *' from 'int' makes pointer from integer without a cast
kernel test robot <[email protected]> Tue, 28 Jul 2026 18:31:22 +0800
| Newsgroups | dev.linux.lists.oe-kbuild-all |
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| Message-ID | <[email protected]> |
tree: https://android.googlesource.com/kernel/common main-16k-gs-shusky-5.15 head: d0ed0375a65ca817f907805e163e103822348f02 commit: 90b05bcbb174b28bb0bc20f6d7f68c092a66a64f [35/35] ANDROID: mm: Get Physical memory model for the system config: i386-randconfig-005-20260728 (https://download.01.org/0day-ci/archive/20260728/[email protected]/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260728/[email protected]/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <[email protected]> | Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/ All warnings (new ones prefixed by >>): 523 | printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~ drivers/cma/mm/mem_phys_layout.c:112:9: note: in expansion of macro 'pr_info' 112 | pr_info(" PFN: %10llu == %#010Lx struct page[mem %#010Lx], PHYS[mem %#010Lx]", | ^~~~~~~ drivers/cma/mm/mem_phys_layout.c: In function 'print_page_flags': drivers/cma/mm/mem_phys_layout.c:189:17: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement] 189 | struct page *page = pfn_to_page(pfn); | ^~~~~~ drivers/cma/mm/mem_phys_layout.c: In function 'print_phys_memory_model': drivers/cma/mm/mem_phys_layout.c:237:55: error: 'MAX_PAGE_ORDER' undeclared (first use in this function) 237 | pr_info("MAX_PAGE_ORDER = %d", MAX_PAGE_ORDER); | ^~~~~~~~~~~~~~ include/linux/printk.h:422:33: note: in definition of macro 'printk_index_wrap' 422 | _p_func(_fmt, ##__VA_ARGS__); \ | ^~~~~~~~~~~ include/linux/printk.h:523:9: note: in expansion of macro 'printk' 523 | printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~ drivers/cma/mm/mem_phys_layout.c:237:9: note: in expansion of macro 'pr_info' 237 | pr_info("MAX_PAGE_ORDER = %d", MAX_PAGE_ORDER); | ^~~~~~~ drivers/cma/mm/mem_phys_layout.c:237:55: note: each undeclared identifier is reported only once for each function it appears in 237 | pr_info("MAX_PAGE_ORDER = %d", MAX_PAGE_ORDER); | ^~~~~~~~~~~~~~ include/linux/printk.h:422:33: note: in definition of macro 'printk_index_wrap' 422 | _p_func(_fmt, ##__VA_ARGS__); \ | ^~~~~~~~~~~ include/linux/printk.h:523:9: note: in expansion of macro 'printk' 523 | printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~ drivers/cma/mm/mem_phys_layout.c:237:9: note: in expansion of macro 'pr_info' 237 | pr_info("MAX_PAGE_ORDER = %d", MAX_PAGE_ORDER); | ^~~~~~~ drivers/cma/mm/mem_phys_layout.c:239:55: error: 'PFN_SECTION_SHIFT' undeclared (first use in this function); did you mean 'SECTIONS_SHIFT'? 239 | pr_info("PFN_SECTION_SHIFT = %d", PFN_SECTION_SHIFT); | ^~~~~~~~~~~~~~~~~ include/linux/printk.h:422:33: note: in definition of macro 'printk_index_wrap' 422 | _p_func(_fmt, ##__VA_ARGS__); \ | ^~~~~~~~~~~ include/linux/printk.h:523:9: note: in expansion of macro 'printk' 523 | printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~ drivers/cma/mm/mem_phys_layout.c:239:9: note: in expansion of macro 'pr_info' 239 | pr_info("PFN_SECTION_SHIFT = %d", PFN_SECTION_SHIFT); | ^~~~~~~ drivers/cma/mm/mem_phys_layout.c:241:55: error: 'SECTION_SIZE_BITS' undeclared (first use in this function) 241 | pr_info("SECTION_SIZE_BITS = %d", SECTION_SIZE_BITS); | ^~~~~~~~~~~~~~~~~ include/linux/printk.h:422:33: note: in definition of macro 'printk_index_wrap' 422 | _p_func(_fmt, ##__VA_ARGS__); \ | ^~~~~~~~~~~ include/linux/printk.h:523:9: note: in expansion of macro 'printk' 523 | printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~ drivers/cma/mm/mem_phys_layout.c:241:9: note: in expansion of macro 'pr_info' 241 | pr_info("SECTION_SIZE_BITS = %d", SECTION_SIZE_BITS); | ^~~~~~~ drivers/cma/mm/mem_phys_layout.c:243:56: error: 'SUBSECTION_SIZE' undeclared (first use in this function) 243 | pr_info("SUBSECTION_SIZE = %ld", SUBSECTION_SIZE); | ^~~~~~~~~~~~~~~ include/linux/printk.h:422:33: note: in definition of macro 'printk_index_wrap' 422 | _p_func(_fmt, ##__VA_ARGS__); \ | ^~~~~~~~~~~ include/linux/printk.h:523:9: note: in expansion of macro 'printk' 523 | printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~ drivers/cma/mm/mem_phys_layout.c:243:9: note: in expansion of macro 'pr_info' 243 | pr_info("SUBSECTION_SIZE = %ld", SUBSECTION_SIZE); | ^~~~~~~ drivers/cma/mm/mem_phys_layout.c:244:56: error: 'SUBSECTIONS_PER_SECTION' undeclared (first use in this function) 244 | pr_info("SUBSECTIONS_PER_SECTION = %ld", SUBSECTIONS_PER_SECTION); | ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/printk.h:422:33: note: in definition of macro 'printk_index_wrap' 422 | _p_func(_fmt, ##__VA_ARGS__); \ | ^~~~~~~~~~~ include/linux/printk.h:523:9: note: in expansion of macro 'printk' 523 | printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~ drivers/cma/mm/mem_phys_layout.c:244:9: note: in expansion of macro 'pr_info' 244 | pr_info("SUBSECTIONS_PER_SECTION = %ld", SUBSECTIONS_PER_SECTION); | ^~~~~~~ drivers/cma/mm/mem_phys_layout.c:248:50: error: 'PAGES_PER_SUBSECTION' undeclared (first use in this function) 248 | pr_info("PAGES_PER_SUBSECTION = %ld", PAGES_PER_SUBSECTION); | ^~~~~~~~~~~~~~~~~~~~ include/linux/printk.h:422:33: note: in definition of macro 'printk_index_wrap' 422 | _p_func(_fmt, ##__VA_ARGS__); \ | ^~~~~~~~~~~ include/linux/printk.h:523:9: note: in expansion of macro 'printk' 523 | printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~ drivers/cma/mm/mem_phys_layout.c:248:9: note: in expansion of macro 'pr_info' 248 | pr_info("PAGES_PER_SUBSECTION = %ld", PAGES_PER_SUBSECTION); | ^~~~~~~ drivers/cma/mm/mem_phys_layout.c:250:9: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement] 250 | phys_addr_t start_addr = memblock_start_of_DRAM(); | ^~~~~~~~~~~ drivers/cma/mm/mem_phys_layout.c:252:39: error: implicit declaration of function '__pfn_to_section' [-Werror=implicit-function-declaration] 252 | struct mem_section *section = __pfn_to_section(start_pfn); | ^~~~~~~~~~~~~~~~ >> drivers/cma/mm/mem_phys_layout.c:252:39: warning: initialization of 'struct mem_section *' from 'int' makes pointer from integer without a cast [-Wint-conversion] drivers/cma/mm/mem_phys_layout.c:253:29: error: implicit declaration of function '__section_mem_map_addr' [-Werror=implicit-function-declaration] 253 | struct page *page = __section_mem_map_addr(section); | ^~~~~~~~~~~~~~~~~~~~~~ >> drivers/cma/mm/mem_phys_layout.c:253:29: warning: initialization of 'struct page *' from 'int' makes pointer from integer without a cast [-Wint-conversion] drivers/cma/mm/mem_phys_layout.c:259:25: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 259 | (u64) page, | ^ include/linux/printk.h:422:33: note: in definition of macro 'printk_index_wrap' 422 | _p_func(_fmt, ##__VA_ARGS__); \ | ^~~~~~~~~~~ include/linux/printk.h:523:9: note: in expansion of macro 'printk' 523 | printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~ drivers/cma/mm/mem_phys_layout.c:256:9: note: in expansion of macro 'pr_info' 256 | pr_info(" PFN: %10llu == %#010Lx struct page[mem %#010Lx], PHYS[mem %#010Lx]", | ^~~~~~~ cc1: some warnings being treated as errors vim +252 drivers/cma/mm/mem_phys_layout.c 234 235 static void print_phys_memory_model(void) 236 { 237 pr_info("MAX_PAGE_ORDER = %d", MAX_PAGE_ORDER); 238 pr_info("pageblock_order = %d", pageblock_order); 239 pr_info("PFN_SECTION_SHIFT = %d", PFN_SECTION_SHIFT); 240 pr_info("(MAX_PAGE_ORDER + PAGE_SHIFT) = %d", (MAX_PAGE_ORDER + PAGE_SHIFT)); 241 pr_info("SECTION_SIZE_BITS = %d", SECTION_SIZE_BITS); 242 pr_info("2 ^ SECTION_SIZE_BITS = %d", (1 << SECTION_SIZE_BITS)); 243 pr_info("SUBSECTION_SIZE = %ld", SUBSECTION_SIZE); 244 pr_info("SUBSECTIONS_PER_SECTION = %ld", SUBSECTIONS_PER_SECTION); 245 pr_info("SUBSECTION_SIZE * SUBSECTIONS_PER_SECTION = %ld = %ldMiB", 246 SUBSECTION_SIZE * SUBSECTIONS_PER_SECTION, 247 SUBSECTION_SIZE * SUBSECTIONS_PER_SECTION / 1024 / 1024); 248 pr_info("PAGES_PER_SUBSECTION = %ld", PAGES_PER_SUBSECTION); 249 250 phys_addr_t start_addr = memblock_start_of_DRAM(); 251 unsigned long start_pfn = PHYS_PFN(start_addr); > 252 struct mem_section *section = __pfn_to_section(start_pfn); > 253 struct page *page = __section_mem_map_addr(section); 254 255 pr_info("Using struct mem_section"); 256 pr_info(" PFN: %10llu == %#010Lx struct page[mem %#010Lx], PHYS[mem %#010Lx]", 257 (u64)start_pfn, 258 (u64)start_pfn, 259 (u64) page, 260 (u64)PFN_PHYS(start_pfn)); 261 } 262 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki