Re: [PATCH] reduce sizeof(percpu_data) and removes dependance againstNR_CPUS

From: Jan Engelhardt
Date: Fri Jan 06 2006 - 02:17:40 EST




--- 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.



Jan Engelhardt
--
| Alphagate Systems, http://alphagate.hopto.org/
| jengelh's site, http://jengelh.hopto.org/
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