Messages in this thread | | | Subject | Re: [Lhms-devel] [RFC/PATCH: 002/010] Memory hotplug for new nodes with pgdat allocation. (Wait table and zonelists initalization) | From | Dave Hansen <> | Date | Fri, 10 Feb 2006 08:32:08 -0800 |
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On Fri, 2006-02-10 at 23:20 +0900, Yasunori Goto wrote: > > static __meminit > void zone_wait_table_init(struct zone *zone, unsigned long > zone_size_pages) > { > - int i; > + int i, hotadd = (system_state == SYSTEM_RUNNING); > struct pglist_data *pgdat = zone->zone_pgdat; > + unsigned long allocsize; > > /* > * The per-page waitqueue mechanism uses hashed waitqueues > * per zone. > */ > + if (hotadd && (zone_size_pages == PAGES_PER_SECTION)) > + zone_size_pages = PAGES_PER_SECTION << 2;
I don't think I understand this calculation. You online only 4 sections worth of pages?
-- Dave
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