Messages in this thread | | | Subject | Re: [PATCH 10/10] mm: per device dirty threshold | From | Peter Zijlstra <> | Date | Mon, 23 Apr 2007 17:58:20 +0200 |
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On Mon, 2007-04-23 at 08:48 -0700, Christoph Lameter wrote: > On Sat, 21 Apr 2007, Peter Zijlstra wrote: > > > > > This is enormously wrong for CONFIG_NR_CPUS=1024 on a 2-way. > > > > Right, I knew about that but, uhm. > > > > I wanted to make that num_online_cpus(), and install a hotplug notifier > > to fold the percpu delta back into the total on cpu offline. > > Use nr_cpu_ids instead. Contains the maximum possible cpus on this > hardware and allows to handle the hotplug case easily.
Ooh, thats handy... /me ditches the hotplug code again. That is, unless its very common to have half empty boxens.. ?
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