Hi. On Sat, 2005-02-19 at 16:51, Dave Hansen wrote: > On Sat, 2005-02-19 at 14:35 +1100, Nigel Cunningham wrote: > > On Sat, 2005-02-19 at 14:02, Dave Hansen wrote: > > > One issue is that it doesn't work with DISCONTIGMEM (or the upcoming > > > sparsemem). max_mapnr doesn't exist on those systems, and on the really > > > discontiguous ones, you might be allocating very large areas with very > > > sparse maps. > > > > :> Am I right in thinking that just requires something similar, done > > per-zone? If that's the case, I'll happily modify the code to suit. I > > should support discontig anyway in suspend. > > The mem_maps are per-pgdat or per-node with discontig, but I have a > patch in the pipeline to take them out of there and make one for every > 128MB or 256MB, etc... area of memory (for memory hotplug). So, hanging > them off the pgdat or zone won't even work in that case, because even > the struct zone can have pretty sparse memory inside of it. I *think* > the table is the only way to go. But, that can wait until Monday. :)
Okay. I'll just wait :> Nigel -- Nigel Cunningham Software Engineer, Canberra, Australia http://www.cyclades.com Ph: +61 (2) 6292 8028 Mob: +61 (417) 100 574 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
