[intel-linux-intel-lts:4.19/android_r 20730/22631] arch/parisc/mm/init.c:734:2: error: implicit declaration of function 'memblocks_present'; did you mean 'memblock_reserve'?

* [intel-linux-intel-lts:4.19/android_r 20730/22631] arch/parisc/mm/init.c:734:2: error: implicit declaration of function 'memblocks_present'; did you mean 'memblock_reserve'?
@ 2021-04-09 17:55 kernel test robot
  0 siblings, 0 replies; 6+ messages in thread
From: kernel test robot @ 2021-04-09 17:55 UTC (permalink / raw)
  To: kbuild-all

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tree:   https://github.com/intel/linux-intel-lts.git 4.19/android_r
head:   072f407465e8e25a3c2c22590e1ab72ccf335151
commit: 36960edcc32ce26bcf470e6129c4dc26a44e97ca [20730/22631] UPSTREAM: parisc: Switch from DISCONTIGMEM to SPARSEMEM
config: parisc-randconfig-r013-20210409 (attached as .config)
compiler: hppa-linux-gcc (GCC) 9.3.0
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/intel/linux-intel-lts/commit/36960edcc32ce26bcf470e6129c4dc26a44e97ca
        git remote add intel-linux-intel-lts https://github.com/intel/linux-intel-lts.git
        git fetch --no-tags intel-linux-intel-lts 4.19/android_r
        git checkout 36960edcc32ce26bcf470e6129c4dc26a44e97ca
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=parisc 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   arch/parisc/mm/init.c: In function 'pagetable_init':
   arch/parisc/mm/init.c:655:17: warning: variable 'end_paddr' set but not used [-Wunused-but-set-variable]
     655 |   unsigned long end_paddr;
         |                 ^~~~~~~~~
   arch/parisc/mm/init.c: In function 'paging_init':
>> arch/parisc/mm/init.c:734:2: error: implicit declaration of function 'memblocks_present'; did you mean 'memblock_reserve'? [-Werror=implicit-function-declaration]
     734 |  memblocks_present();
         |  ^~~~~~~~~~~~~~~~~
         |  memblock_reserve
   cc1: some warnings being treated as errors

vim +734 arch/parisc/mm/init.c

   638	
   639	/*
   640	 * pagetable_init() sets up the page tables
   641	 *
   642	 * Note that gateway_init() places the Linux gateway page at page 0.
   643	 * Since gateway pages cannot be dereferenced this has the desirable
   644	 * side effect of trapping those pesky NULL-reference errors in the
   645	 * kernel.
   646	 */
   647	static void __init pagetable_init(void)
   648	{
   649		int range;
   650	
   651		/* Map each physical memory range to its kernel vaddr */
   652	
   653		for (range = 0; range < npmem_ranges; range++) {
   654			unsigned long start_paddr;
 > 655			unsigned long end_paddr;
   656			unsigned long size;
   657	
   658			start_paddr = pmem_ranges[range].start_pfn << PAGE_SHIFT;
   659			size = pmem_ranges[range].pages << PAGE_SHIFT;
   660			end_paddr = start_paddr + size;
   661	
   662			map_pages((unsigned long)__va(start_paddr), start_paddr,
   663				  size, PAGE_KERNEL, 0);
   664		}
   665	
   666	#ifdef CONFIG_BLK_DEV_INITRD
   667		if (initrd_end && initrd_end > mem_limit) {
   668			printk(KERN_INFO "initrd: mapping %08lx-%08lx\n", initrd_start, initrd_end);
   669			map_pages(initrd_start, __pa(initrd_start),
   670				  initrd_end - initrd_start, PAGE_KERNEL, 0);
   671		}
   672	#endif
   673	
   674		empty_zero_page = get_memblock(PAGE_SIZE);
   675	}
   676	
   677	static void __init gateway_init(void)
   678	{
   679		unsigned long linux_gateway_page_addr;
   680		/* FIXME: This is 'const' in order to trick the compiler
   681		   into not treating it as DP-relative data. */
   682		extern void * const linux_gateway_page;
   683	
   684		linux_gateway_page_addr = LINUX_GATEWAY_ADDR & PAGE_MASK;
   685	
   686		/*
   687		 * Setup Linux Gateway page.
   688		 *
   689		 * The Linux gateway page will reside in kernel space (on virtual
   690		 * page 0), so it doesn't need to be aliased into user space.
   691		 */
   692	
   693		map_pages(linux_gateway_page_addr, __pa(&linux_gateway_page),
   694			  PAGE_SIZE, PAGE_GATEWAY, 1);
   695	}
   696	
   697	static void __init parisc_bootmem_free(void)
   698	{
   699		unsigned long zones_size[MAX_NR_ZONES] = { 0, };
   700		unsigned long holes_size[MAX_NR_ZONES] = { 0, };
   701		unsigned long mem_start_pfn = ~0UL, mem_end_pfn = 0, mem_size_pfn = 0;
   702		int i;
   703	
   704		for (i = 0; i < npmem_ranges; i++) {
   705			unsigned long start = pmem_ranges[i].start_pfn;
   706			unsigned long size = pmem_ranges[i].pages;
   707			unsigned long end = start + size;
   708	
   709			if (mem_start_pfn > start)
   710				mem_start_pfn = start;
   711			if (mem_end_pfn < end)
   712				mem_end_pfn = end;
   713			mem_size_pfn += size;
   714		}
   715	
   716		zones_size[0] = mem_end_pfn - mem_start_pfn;
   717		holes_size[0] = zones_size[0] - mem_size_pfn;
   718	
   719		free_area_init_node(0, zones_size, mem_start_pfn, holes_size);
   720	}
   721	
   722	void __init paging_init(void)
   723	{
   724		setup_bootmem();
   725		pagetable_init();
   726		gateway_init();
   727		flush_cache_all_local(); /* start with known state */
   728		flush_tlb_all_local(NULL);
   729	
   730		/*
   731		 * Mark all memblocks as present for sparsemem using
   732		 * memory_present() and then initialize sparsemem.
   733		 */
 > 734		memblocks_present();
   735		sparse_init();
   736		parisc_bootmem_free();
   737	}
   738	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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