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* [davidhildenbrand:virtio-mem-pg-offline 4/5] mm/mm_init.c:896:16: error: use of undeclared identifier 'ZONE_DEVICE'
@ 2024-06-06 18:43 kernel test robot
  0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2024-06-06 18:43 UTC (permalink / raw)
  To: David Hildenbrand; +Cc: llvm, oe-kbuild-all

tree:   https://github.com/davidhildenbrand/linux virtio-mem-pg-offline
head:   816f41acc6e1b0eebb95b16ec843eef595962c17
commit: 3c5d3350005737fdc58ea48fdceea146132e0fdf [4/5] mm/memory_hotplug: initialize memmap with PageOffline() instead of PageReserved()
config: s390-allnoconfig (https://download.01.org/0day-ci/archive/20240607/202406070253.hMNIO0dI-lkp@intel.com/config)
compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project d7d2d4f53fc79b4b58e8d8d08151b577c3699d4a)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240607/202406070253.hMNIO0dI-lkp@intel.com/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 <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202406070253.hMNIO0dI-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from mm/mm_init.c:13:
   In file included from include/linux/memory.h:19:
   In file included from include/linux/node.h:18:
   In file included from include/linux/device.h:32:
   In file included from include/linux/device/driver.h:21:
   In file included from include/linux/module.h:19:
   In file included from include/linux/elf.h:6:
   In file included from arch/s390/include/asm/elf.h:173:
   In file included from arch/s390/include/asm/mmu_context.h:11:
   In file included from arch/s390/include/asm/pgalloc.h:18:
   In file included from include/linux/mm.h:2241:
   include/linux/vmstat.h:498:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
     498 |         return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
         |                               ~~~~~~~~~~~ ^ ~~~
   In file included from mm/mm_init.c:17:
   In file included from include/linux/memblock.h:13:
   In file included from arch/s390/include/asm/dma.h:5:
   In file included from include/linux/io.h:14:
   In file included from arch/s390/include/asm/io.h:93:
   include/asm-generic/io.h:548:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     548 |         val = __raw_readb(PCI_IOBASE + addr);
         |                           ~~~~~~~~~~ ^
   include/asm-generic/io.h:561:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     561 |         val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
         |                                                         ~~~~~~~~~~ ^
   include/uapi/linux/byteorder/big_endian.h:37:59: note: expanded from macro '__le16_to_cpu'
      37 | #define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x))
         |                                                           ^
   include/uapi/linux/swab.h:102:54: note: expanded from macro '__swab16'
     102 | #define __swab16(x) (__u16)__builtin_bswap16((__u16)(x))
         |                                                      ^
   In file included from mm/mm_init.c:17:
   In file included from include/linux/memblock.h:13:
   In file included from arch/s390/include/asm/dma.h:5:
   In file included from include/linux/io.h:14:
   In file included from arch/s390/include/asm/io.h:93:
   include/asm-generic/io.h:574:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     574 |         val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
         |                                                         ~~~~~~~~~~ ^
   include/uapi/linux/byteorder/big_endian.h:35:59: note: expanded from macro '__le32_to_cpu'
      35 | #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x))
         |                                                           ^
   include/uapi/linux/swab.h:115:54: note: expanded from macro '__swab32'
     115 | #define __swab32(x) (__u32)__builtin_bswap32((__u32)(x))
         |                                                      ^
   In file included from mm/mm_init.c:17:
   In file included from include/linux/memblock.h:13:
   In file included from arch/s390/include/asm/dma.h:5:
   In file included from include/linux/io.h:14:
   In file included from arch/s390/include/asm/io.h:93:
   include/asm-generic/io.h:585:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     585 |         __raw_writeb(value, PCI_IOBASE + addr);
         |                             ~~~~~~~~~~ ^
   include/asm-generic/io.h:595:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     595 |         __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
         |                                                       ~~~~~~~~~~ ^
   include/asm-generic/io.h:605:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     605 |         __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
         |                                                       ~~~~~~~~~~ ^
   include/asm-generic/io.h:693:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     693 |         readsb(PCI_IOBASE + addr, buffer, count);
         |                ~~~~~~~~~~ ^
   include/asm-generic/io.h:701:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     701 |         readsw(PCI_IOBASE + addr, buffer, count);
         |                ~~~~~~~~~~ ^
   include/asm-generic/io.h:709:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     709 |         readsl(PCI_IOBASE + addr, buffer, count);
         |                ~~~~~~~~~~ ^
   include/asm-generic/io.h:718:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     718 |         writesb(PCI_IOBASE + addr, buffer, count);
         |                 ~~~~~~~~~~ ^
   include/asm-generic/io.h:727:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     727 |         writesw(PCI_IOBASE + addr, buffer, count);
         |                 ~~~~~~~~~~ ^
   include/asm-generic/io.h:736:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     736 |         writesl(PCI_IOBASE + addr, buffer, count);
         |                 ~~~~~~~~~~ ^
>> mm/mm_init.c:896:16: error: use of undeclared identifier 'ZONE_DEVICE'
     896 |                         if (zone == ZONE_DEVICE)
         |                                     ^
   mm/mm_init.c:2512:2: error: call to undeclared function '_free_pages_core'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
    2512 |         _free_pages_core(page, order, MEMINIT_EARLY);
         |         ^
   mm/mm_init.c:2512:2: note: did you mean '__free_pages_core'?
   mm/internal.h:607:13: note: '__free_pages_core' declared here
     607 | extern void __free_pages_core(struct page *page, unsigned int order,
         |             ^
   13 warnings and 2 errors generated.


vim +/ZONE_DEVICE +896 mm/mm_init.c

   878	
   879		for (pfn = start_pfn; pfn < end_pfn; ) {
   880			/*
   881			 * There can be holes in boot-time mem_map[]s handed to this
   882			 * function.  They do not exist on hotplugged memory.
   883			 */
   884			if (context == MEMINIT_EARLY) {
   885				if (overlap_memmap_init(zone, &pfn))
   886					continue;
   887				if (defer_init(nid, pfn, zone_end_pfn)) {
   888					deferred_struct_pages = true;
   889					break;
   890				}
   891			}
   892	
   893			page = pfn_to_page(pfn);
   894			__init_single_page(page, pfn, zone, nid);
   895			if (context == MEMINIT_HOTPLUG) {
 > 896				if (zone == ZONE_DEVICE)
   897					__SetPageReserved(page);
   898				else
   899					__SetPageOffline(page);
   900			}
   901	
   902			/*
   903			 * Usually, we want to mark the pageblock MIGRATE_MOVABLE,
   904			 * such that unmovable allocations won't be scattered all
   905			 * over the place during system boot.
   906			 */
   907			if (pageblock_aligned(pfn)) {
   908				set_pageblock_migratetype(page, migratetype);
   909				cond_resched();
   910			}
   911			pfn++;
   912		}
   913	}
   914	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

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