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authorEric Dumazet <dada1@cosmosbay.com>2008-03-28 14:42:42 -0400
committerChris Wright <chrisw@sous-sol.org>2008-04-18 18:53:21 -0700
commit28680bfb8269703def997e2269caf9bfe2de489c (patch)
tree9400b61d56c50f3505beae100c1071d09f8629ba /include
parentbcd817a3949cfc772b97f3f1428be35488e6266b (diff)
PERCPU : __percpu_alloc_mask() can dynamically size percpu_data storage
upstream commit: b3242151906372f30f57feaa43b4cac96a23edb1 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> Signed-off-by: Chris Wright <chrisw@sous-sol.org>
Diffstat (limited to 'include')
-rw-r--r--include/linux/percpu.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/percpu.h b/include/linux/percpu.h
index 926adaae0f96..1702ab56ed3c 100644
--- a/include/linux/percpu.h
+++ b/include/linux/percpu.h
@@ -34,7 +34,7 @@
#ifdef CONFIG_SMP
struct percpu_data {
- void *ptrs[NR_CPUS];
+ void *ptrs[1];
};
#define __percpu_disguise(pdata) (struct percpu_data *)~(unsigned long)(pdata)