[PATCH] percpu_counter: change inaccurate comment

[Eric Dumazet]

percpu_counter used to be huge objects, they are not anymore,
thanks to fine alloc_percpu() granularity.

We now consume 4 bytes per possible cpu.

Signed-off-by: Eric Dumazet <eric.dumazet@xxxxxxxxx>
---
 include/linux/percpu_counter.h |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/linux/percpu_counter.h b/include/linux/percpu_counter.h
index 8a7d510..5e2cb5c 100644
--- a/include/linux/percpu_counter.h
+++ b/include/linux/percpu_counter.h
@@ -3,7 +3,8 @@
 /*
  * A simple "approximate counter" for use in ext2 and ext3 superblocks.
  *
- * WARNING: these things are HUGE.  4 kbytes per counter on 32-way P4.
+ * WARNING: these things are big :  4 bytes per possible cpu per counter.
+ * For a 64 cpus machine: 256 bytes + sizeof(struct percpu_counter)
  */
 
 #include <linux/spinlock.h>


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