Messages in this thread | | | Date | Mon, 26 Jan 2004 19:26:33 +1100 | From | Nick Piggin <> | Subject | Re: New NUMA scheduler and hotplug CPU |
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Rusty Russell wrote:
>Hi Nick! > > Looking at your new scheduler in -mm, it uses cpu_online_map >alot in arch_init_sched_domains. This means with hotplug CPU that it >would need to be modified: certainly possible to do, but messy. > > The other option is to use cpu_possible_map to create the full >topology up front, and then it need never change. AFAICT, no other >changes are neccessary: you already check against moving tasks to >offline cpus. > >Anyway, I was just porting the hotplug CPU patches over to -mm, and >came across this, so I thought I'd ask. >
Hi Rusty, Yes I'd like to use the cpu_possible_map to create the full topology straight up. Martin?
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