Messages in this thread | | | Date | Sat, 8 Oct 2005 10:50:16 +1000 | From | Anton Blanchard <> | Subject | Re: [PATCH] Fix hotplug cpu on x86_64 |
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Hi,
> I also have a followon patch to avoid the extreme memory wastage > currently caused by hotplug CPUs (e.g. with NR_CPUS==128 you currently > lose 4MB of memory just for preallocated per CPU data). But that is > something for post 2.6.14.
Im interested in doing that on ppc64 too. Are you currently only creating per cpu data areas for possible cpus? The generic code does NR_CPUS worth, we should change that in 2.6.15.
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