From b3242151906372f30f57feaa43b4cac96a23edb1 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <dada1@cosmosbay.com>
Date: Wed, 6 Feb 2008 01:37:01 -0800
Subject: PERCPU : __percpu_alloc_mask() can dynamically size percpu_data
 storage

Instead of allocating a fix sized array of NR_CPUS pointers for percpu_data,
we can use nr_cpu_ids, which is generally < NR_CPUS.

Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Cc: Christoph Lameter <clameter@sgi.com>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/percpu.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'include/linux/percpu.h')

diff --git a/include/linux/percpu.h b/include/linux/percpu.h
index 50faa0ea28e4..1ac969724bb2 100644
--- a/include/linux/percpu.h
+++ b/include/linux/percpu.h
@@ -54,7 +54,7 @@
 #ifdef CONFIG_SMP
 
 struct percpu_data {
-	void *ptrs[NR_CPUS];
+	void *ptrs[1];
 };
 
 #define __percpu_disguise(pdata) (struct percpu_data *)~(unsigned long)(pdata)
-- 
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