On Sun 29-03-20 08:19:24, Baoquan He wrote: > On 03/28/20 at 11:31am, Hoan Tran wrote: > > In NUMA layout which nodes have memory ranges that span across other nodes, > > the mm driver can detect the memory node id incorrectly. > > > > For example, with layout below > > Node 0 address: 0000 xxxx 0000 xxxx > > Node 1 address: xxxx 1111 xxxx 1111 > > Sorry, I read this example several times, but still don't get what it > means. Can it be given with real hex number address as an exmaple? I > mean just using the memory layout you have seen from some systems. The > change looks interesting though.
Does this make it more clear? physical address range and its node associaion [0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1] -- Michal Hocko SUSE Labs