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net: simplify the getting percpu of flow_cache 

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>
This commit is contained in:
Li RongQing 2013-03-28 02:24:11 +00:00 committed by David S. Miller
parent 10c9cbb10f
commit 278150321a
1 changed files with 1 additions and 1 deletions
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2
net/core/flow.c
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@ -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;