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authorEric Dumazet <dada1@cosmosbay.com>2008-02-06 01:37:01 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-06 10:41:04 -0800
commitb3242151906372f30f57feaa43b4cac96a23edb1 (patch)
treed258219aa13dfeae8d9fb5db1fd220a0664a680d /include/linux/percpu.h
parente7ca2d41a029577a8cff453d1445951d4f96bfd8 (diff)
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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>
Diffstat (limited to 'include/linux/percpu.h')
-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 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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