GFP_HIGHUSER
mask = GFP_HIGHUSER | __GFP_RECLAIMABLE;
gfp_flags |= GFP_HIGHUSER;
ttm_page_pool_init_locked(&_manager->wc_pool, GFP_HIGHUSER, "wc", 0);
ttm_page_pool_init_locked(&_manager->uc_pool, GFP_HIGHUSER, "uc", 0);
gfp_flags = GFP_HIGHUSER;