On Wed, 2021-02-24 at 13:54 +0900, Daejun Park wrote: > > +void ufshpb_init(struct ufs_hba *hba) > +{ > + struct ufshpb_dev_info *hpb_dev_info = &hba->ufshpb_dev; > + int try; > + int ret; > + > + if (!ufshpb_is_allowed(hba)) > + return; > + Here it is better to check "dev_info->hpb_enable", if HPB is not enabled from UFS device level, doesn't need to create mempool and take other memory resource. Bean