On Fri 30-06-17 11:55:45, Michal Hocko wrote: > On Fri 30-06-17 17:39:56, Wei Yang wrote: > > On Fri, Jun 30, 2017 at 4:39 PM, Michal Hocko <mhocko@xxxxxxxxxx> wrote: > [...] > > > yes and to be honest I do not plan to fix it unless somebody has a real > > > life usecase for it. Now that we allow explicit onlininig type anywhere > > > it seems like a reasonable behavior and this will allow us to remove > > > quite some code which is always a good deal wrt longterm maintenance. > > > > > > > hmm... the statistics displayed in /proc/zoneinfo would be meaningless > > for zone_normal and zone_movable. > > Why would they be meaningless? Counters will always reflect the actual > use - if not then it is a bug. And wrt to zone description what is > meaningless about > memory34/valid_zones:Normal > memory35/valid_zones:Normal Movable > memory36/valid_zones:Movable > memory37/valid_zones:Movable Normal > memory38/valid_zones:Movable Normal > memory39/valid_zones:Movable Normal > memory40/valid_zones:Normal > memory41/valid_zones:Movable > > And > Node 1, zone Normal > pages free 65465 > min 156 > low 221 > high 286 > spanned 229376 > present 65536 > managed 65536 > [...] > start_pfn: 1114112 > Node 1, zone Movable > pages free 65443 > min 156 > low 221 > high 286 > spanned 196608 > present 65536 > managed 65536 > [...] > start_pfn: 1179648 > > ranges are clearly defined as [start_pfn, start_pfn+managed] and managed errr, this should be [start_pfn, start_pfn + spanned] of course. > matches the number of onlined pages (256MB). -- Michal Hocko SUSE Labs -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>