[hch-misc:sanitize-vmalloc-api.2 5/32] kernel/dma/remap.c:32:22: error: 'count' undeclared; did you mean 'd_count'?

[kbuild test robot <lkp@intel.com>]

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tree:   git://git.infradead.org/users/hch/misc.git sanitize-vmalloc-api.2
head:   f44e0a9207268d44a9f106376661ed3c3f764564
commit: eab29baeeab828a08269b7260d4f02462ba99fe3 [5/32] dma-mapping: use vmap insted of reimplementing it
config: xtensa-randconfig-a001-20200414 (attached as .config)
compiler: xtensa-linux-gcc (GCC) 9.3.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout eab29baeeab828a08269b7260d4f02462ba99fe3
        # save the attached .config to linux build tree
        GCC_VERSION=9.3.0 make.cross ARCH=xtensa 

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

All errors (new ones prefixed by >>):

   kernel/dma/remap.c: In function 'dma_common_pages_remap':
>> kernel/dma/remap.c:32:22: error: 'count' undeclared (first use in this function); did you mean 'd_count'?
      32 |  vaddr = vmap(pages, count, VM_DMA_COHERENT, prot);
         |                      ^~~~~
         |                      d_count
   kernel/dma/remap.c:32:22: note: each undeclared identifier is reported only once for each function it appears in

vim +32 kernel/dma/remap.c

    22	
    23	/*
    24	 * Remaps an array of PAGE_SIZE pages into another vm_area.
    25	 * Cannot be used in non-sleeping contexts
    26	 */
    27	void *dma_common_pages_remap(struct page **pages, size_t size,
    28				 pgprot_t prot, const void *caller)
    29	{
    30		void *vaddr;
    31	
  > 32		vaddr = vmap(pages, count, VM_DMA_COHERENT, prot);
    33		if (vaddr)
    34			find_vm_area(vaddr)->pages = pages;
    35		return vaddr;
    36	}
    37	

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

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