2020년 3월 19일 (목) 오후 9:21, Vlastimil Babka <vbabka@xxxxxxx>님이 작성: > > On 3/19/20 9:57 AM, Joonsoo Kim wrote: > >> Curious: is this only an issue when vm.numa_zonelist_order is set to Node? > > > > Do you mean "/proc/sys/vm/numa_zonelist_order"? It looks like it's gone now. > > > > Thanks. > > Yes it's gone now, but indeed, AFAIU on older kernels with zone order instead of > node order, this problem wouldn't manifest. Yes. In this case, preferred_zone of an allocation is the populated highest zone among all nodes so classzone_idx will the same. Thanks.