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net: simplify the getting percpu of flow_cache
author
Li RongQing
<roy.qing.li@gmail.com>
Thu, 28 Mar 2013 02:24:11 +0000
(
02:24
+0000)
committer
David S. Miller
<davem@davemloft.net>
Fri, 29 Mar 2013 19:14:46 +0000
(15:14 -0400)
replace per_cpu with per_cpu_ptr to save conversion between address and pointer
Signed-off-by: Li RongQing <roy.qing.li@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/core/flow.c
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diff --git
a/net/core/flow.c
b/net/core/flow.c
index
7fae135
..
707fb7b
100644
(file)
--- a/
net/core/flow.c
+++ b/
net/core/flow.c
@@
-334,7
+334,7
@@
static int flow_cache_percpu_empty(struct flow_cache *fc, int cpu)
struct flow_cache_percpu *fcp;
int i;
- fcp =
&per_cpu(*
fc->percpu, cpu);
+ fcp =
per_cpu_ptr(
fc->percpu, cpu);
for (i = 0; i < flow_cache_hash_size(fc); i++)
if (!hlist_empty(&fcp->hash_table[i]))
return 0;