On Wed, Jun 19, 2024 at 07:03:46AM +0200, Oscar Salvador wrote: > On Mon, Jun 17, 2024 at 05:05:43PM +0000, Jiaqi Yan wrote: > > + if (!sysctl_enable_soft_offline) { > > + pr_info("%#lx: OS-wide disabled\n", pfn); > > + put_ref_page(pfn, flags); > > + return -EOPNOTSUPP; > > + } > > We should not be doing anything if soft_offline is disabled, so this check should > be placed upfront, at the very beginning of the function. > Then you can remove the 'put_ref_page' call. Also, I would go for a pr_info_once here, as otherwise we can spam the log quite easy. -- Oscar Salvador SUSE Labs