On Mon, 16 Mar 2020, Vlastimil Babka wrote: > > Setting the vm_swappiness specific case aside, I wonder if if would be > useful to be able to emulate any sysctl with a kernel parameter, > i.e. boot the kernel with sysctl.vm.swappiness=X > There are already some options that provide kernel parameter as well > as sysctl, why not just support all. > It looks like a missing feature to me but I've always assumed that there is some unobvious philosophical reasoning behind not having such interfaces in the kernel. The feature-wise I'd be one of the first users of the sysctl command-line parameters.