[hch-misc:pgmap-refcount 8/10] arch/arm64/mm/mmu.c:800:3: error: implicit declaration of function 'vmem_altmap_free'

[hch-misc:pgmap-refcount 8/10] arch/arm64/mm/mmu.c:800:3: error: implicit declaration of function 'vmem_altmap_free'

[kernel test robot]

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tree:   git://git.infradead.org/users/hch/misc.git pgmap-refcount
head:   bd9c3ba34f3c71df48eca2842a742fb3cb14b50a
commit: 2087108fbbb1a962407ac853ef3a44bfaa9910e1 [8/10] mm: don't include <linux/memremap.h> in <linux/mm.h>
config: arm64-randconfig-r014-20220206 (https://download.01.org/0day-ci/archive/20220206/202202062122.WIZXejRL-lkp(a)intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 6daaf5a44925592c764c59219b0024ee06317028)
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
        # install arm64 cross compiling tool for clang build
        # apt-get install binutils-aarch64-linux-gnu
        git remote add hch-misc git://git.infradead.org/users/hch/misc.git
        git fetch --no-tags hch-misc pgmap-refcount
        git checkout 2087108fbbb1a962407ac853ef3a44bfaa9910e1
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash arch/arm64/mm/

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/arm64/mm/mmu.c:800:3: error: implicit declaration of function 'vmem_altmap_free' [-Werror,-Wimplicit-function-declaration]
                   vmem_altmap_free(altmap, size >> PAGE_SHIFT);
                   ^
   arch/arm64/mm/mmu.c:800:3: note: did you mean 'vmemmap_free'?
   include/linux/mm.h:3141:6: note: 'vmemmap_free' declared here
   void vmemmap_free(unsigned long start, unsigned long end,
        ^
   1 error generated.


vim +/vmem_altmap_free +800 arch/arm64/mm/mmu.c

bbd6ec605c0fc2 Anshuman Khandual 2020-03-04  794  
bbd6ec605c0fc2 Anshuman Khandual 2020-03-04  795  #ifdef CONFIG_MEMORY_HOTPLUG
eee07935bb52a0 Anshuman Khandual 2020-08-06  796  static void free_hotplug_page_range(struct page *page, size_t size,
eee07935bb52a0 Anshuman Khandual 2020-08-06  797  				    struct vmem_altmap *altmap)
bbd6ec605c0fc2 Anshuman Khandual 2020-03-04  798  {
eee07935bb52a0 Anshuman Khandual 2020-08-06  799  	if (altmap) {
eee07935bb52a0 Anshuman Khandual 2020-08-06 @800  		vmem_altmap_free(altmap, size >> PAGE_SHIFT);
eee07935bb52a0 Anshuman Khandual 2020-08-06  801  	} else {
bbd6ec605c0fc2 Anshuman Khandual 2020-03-04  802  		WARN_ON(PageReserved(page));
bbd6ec605c0fc2 Anshuman Khandual 2020-03-04  803  		free_pages((unsigned long)page_address(page), get_order(size));
bbd6ec605c0fc2 Anshuman Khandual 2020-03-04  804  	}
eee07935bb52a0 Anshuman Khandual 2020-08-06  805  }
bbd6ec605c0fc2 Anshuman Khandual 2020-03-04  806  

:::::: The code at line 800 was first introduced by commit
:::::: eee07935bb52a03561d53ccc5cecf12f2faeb396 arm64/mm: enable vmem_altmap support for vmemmap mappings

:::::: TO: Anshuman Khandual <anshuman.khandual@arm.com>
:::::: CC: Linus Torvalds <torvalds@linux-foundation.org>

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