Symbol: drm_gem_object_lookup_at_offset
drivers/gpu/drm/drm_gem.c
1346
obj = drm_gem_object_lookup_at_offset(filp, pgoff, len >> PAGE_SHIFT);
drivers/gpu/drm/drm_gem.c
1382
obj = drm_gem_object_lookup_at_offset(filp, vma->vm_pgoff,