On (23/03/26 12:17), Sergey Senozhatsky wrote: > On (23/03/25 15:14), Liu Shixin wrote: > > static int zswap_enabled_param_set(const char *val, > > const struct kernel_param *kp) > > { > > + bool res; > > + > > + if (kstrtobool(val, &res)) > > + return -EINVAL; > > + > > + /* no change required */ > > + if (res == *(bool *)kp->arg) > > + return 0; > > Bool kernel param can be any of these letters 'YyTt1NnFf0'. Doing things > to kp->arg outside of kernel/params.c is not going to be easy, let's not > even try. Please disregard my previous email. kp->arg is always true or false at this point. I'd still prefer to not do kp->arg in zswap.