[vsyrjala:remap_tile_ys_64 18/30] drivers/gpu/drm/i915/i915_vma.c:968:1: error: conflicting types for 'add_pages'; have 'struct scatterlist *(dma_addr_t, unsigned int, struct sg_table *, struct scatterlist *)' {aka 'struct scatterlist *(long long unsigned int, unsigned int, struct sg_...

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

tree:   https://github.com/vsyrjala/linux.git remap_tile_ys_64
head:   9a8f5dc5c6e5da24a2df0e93fda770ab217b0886
commit: 539e2225c8d7e19d4095bace6c48ec8d3d434e93 [18/30] drm/i915/vma: Extract add_pages()
config: x86_64-rhel-9.4 (https://download.01.org/0day-ci/archive/20260408/202604080343.eLWuZISe-lkp@intel.com/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/20260408/202604080343.eLWuZISe-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/202604080343.eLWuZISe-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/gpu/drm/i915/i915_vma.c:968:1: error: conflicting types for 'add_pages'; have 'struct scatterlist *(dma_addr_t,  unsigned int,  struct sg_table *, struct scatterlist *)' {aka 'struct scatterlist *(long long unsigned int,  unsigned int,  struct sg_table *, struct scatterlist *)'}
     968 | add_pages(dma_addr_t addr, unsigned int count,
         | ^~~~~~~~~
   In file included from include/linux/mmzone.h:1534,
                    from include/linux/gfp.h:7,
                    from include/linux/sched/mm.h:9,
                    from drivers/gpu/drm/i915/i915_vma.c:25:
   include/linux/memory_hotplug.h:153:5: note: previous declaration of 'add_pages' with type 'int(int,  long unsigned int,  long unsigned int,  struct mhp_params *)'
     153 | int add_pages(int nid, unsigned long start_pfn, unsigned long nr_pages,
         |     ^~~~~~~~~


vim +968 drivers/gpu/drm/i915/i915_vma.c

   966	
   967	static struct scatterlist *
 > 968	add_pages(dma_addr_t addr, unsigned int count,
   969		  struct sg_table *st, struct scatterlist *sg)
   970	{
   971		st->nents++;
   972	
   973		sg_set_page(sg, NULL, count * I915_GTT_PAGE_SIZE, 0);
   974		sg_dma_address(sg) = addr;
   975		sg_dma_len(sg) = count * I915_GTT_PAGE_SIZE;
   976	
   977		return sg_next(sg);
   978	}
   979	

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