xen_drm_front_gem_prime_vmap  501 drivers/gpu/drm/xen/xen_drm_front.c 	.gem_prime_vmap            = xen_drm_front_gem_prime_vmap,
xen_drm_front_gem_prime_vmap   37 drivers/gpu/drm/xen/xen_drm_front_gem.h void *xen_drm_front_gem_prime_vmap(struct drm_gem_object *gem_obj);