amdgpu_mmap      1328 drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c 	.mmap = amdgpu_mmap,
amdgpu_mmap       102 drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h int amdgpu_mmap(struct file *filp, struct vm_area_struct *vma);