On Sun 16-06-13 09:14:48, Wanpeng Li wrote: > The default zonelist order selecter will select "node" order if any node's > DMA zone comprises greater than 70% of its local memory instead of 60%, > according to default_zonelist_order::low_kmem_size > total * 70/100. Hmm, interesting. This comment has been incorrect since f0c0b2b808 (change zonelist order: zonelist order selection logic). > > Signed-off-by: Wanpeng Li <liwanp@xxxxxxxxxxxxxxxxxx> Reviewed-by: Michal Hocko <mhocko@xxxxxxx> > --- > Documentation/sysctl/vm.txt | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/Documentation/sysctl/vm.txt b/Documentation/sysctl/vm.txt > index a5717c3..15d341a 100644 > --- a/Documentation/sysctl/vm.txt > +++ b/Documentation/sysctl/vm.txt > @@ -531,7 +531,7 @@ Specify "[Dd]efault" to request automatic configuration. Autoconfiguration > will select "node" order in following case. > (1) if the DMA zone does not exist or > (2) if the DMA zone comprises greater than 50% of the available memory or > -(3) if any node's DMA zone comprises greater than 60% of its local memory and > +(3) if any node's DMA zone comprises greater than 70% of its local memory and > the amount of local memory is big enough. > > Otherwise, "zone" order will be selected. Default order is recommended unless > -- > 1.8.1.2 > > -- > 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> -- 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>