On Tue, Nov 13, 2018 at 07:49:10PM +0100, Michal Hocko wrote: > From: Michal Hocko <mhocko@xxxxxxxx> > > Swap storage is restricted to max_swapfile_size (~16TB on x86_64) > whenever the system is deemed affected by L1TF vulnerability. Even > though the limit is quite high for most deployments it seems to be > too restrictive for deployments which are willing to live with the > mitigation disabled. > > We have a customer to deploy 8x 6,4TB PCIe/NVMe SSD swap devices > which is clearly out of the limit. > > Drop the swap restriction when l1tf=off is specified. It also doesn't > make much sense to warn about too much memory for the l1tf mitigation > when it is forcefully disabled by the administrator. Reviewed-by: Andi Kleen <ak@xxxxxxxxxxxxxxx> -Andi
