On 02/16/2018 08:01 AM, Christoph Lameter wrote: > Control over this feature is by writing to /proc/zoneinfo. > > F.e. to ensure that 2000 16K pages stay available for jumbo > frames do > > echo "2=2000" >/proc/zoneinfo > > or through the order=<page spec> on the kernel command line. > F.e. > > order=2=2000,4N2=500 Please document the the kernel command line option in Documentation/admin-guide/kernel-parameters.txt. I suppose that /proc/zoneinfo should be added somewhere in Documentation/vm/ but I'm not sure where that would be. thanks, -- ~Randy -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html