Messages in this thread | | | Date | Fri, 14 Apr 2006 18:19:14 -0400 (EDT) | From | Steven Rostedt <> | Subject | RE: [PATCH 00/05] robust per_cpu allocation for modules |
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On Fri, 14 Apr 2006, Chen, Kenneth W wrote:
> Steven Rostedt wrote on Friday, April 14, 2006 2:19 PM > > So the current solution has two flaws: > > 1. not robust. If we someday add more modules that together take up > > more than 14K, we need to manually update the PERCPU_ENOUGH_ROOM. > > 2. waste of memory. We have 14K of memory wasted per CPU. Remember > > a 64 processor machine would be wasting 896K of memory! > > If someone who has the money to own a 64-process machine, 896K of memory > is pocket change ;-) >
I was waiting for someone to make that comment :)
But someone who has the money to own a 64-processor machine, is probably also a penny pincher, and wants to hold on to their pocket change ;-)
-- Steve
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