Messages in this thread | | | Date | Thu, 5 Jan 2006 23:27:36 -0800 | From | Andrew Morton <> | Subject | Re: [PATCH] reduce sizeof(percpu_data) and removes dependance against NR_CPUS |
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Jan Engelhardt <jengelh@linux01.gwdg.de> wrote: > > > > --- linux-2.6.15/include/linux/percpu.h 2006-01-03 04:21:10.000000000 +0100 > +++ linux-2.6.15-edum/include/linux/percpu.h 2006-01-05 14:45:48.000000000 +0100 > @@ -18,8 +18,7 @@ > #ifdef CONFIG_SMP > > struct percpu_data { > - void *ptrs[NR_CPUS]; > - void *blkp; > + void *ptrs[1]; /* real size depends on highest_possible_processor_id() */ > }; > > /* > > > I think we can use *ptrs[0] here. >
We can. In fact with the gcc-2.95 abandonment I think we can use ptrs[].
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