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datapath: Don't allocate space for per-CPU flow stats from cache.

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Per-CPU flow stats are now allocated separately (if necessary) so
there's no longer any need to allocate space for them directly in
the base flow.

Signed-off-by: Jesse Gross <jesse@nicira.com>
Acked-by: Pravin B Shelar <pshelar@nicira.com>
This commit is contained in:
Jesse Gross
2013-12-06 13:17:33 -08:00
parent c3cc4d2dd2
commit d22d7ed076
1 changed files with 2 additions and 6 deletions
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8
datapath/flow_table.c
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@@ -606,15 +606,11 @@ int ovs_flow_tbl_insert(struct flow_table *table, struct sw_flow *flow,
* Returns zero if successful or a negative error code. */
int ovs_flow_init(void)
{
int flow_size;
BUILD_BUG_ON(__alignof__(struct sw_flow_key) % __alignof__(long));
BUILD_BUG_ON(sizeof(struct sw_flow_key) % sizeof(long));
flow_size = sizeof(struct sw_flow) +
(num_possible_cpus() * sizeof(struct sw_flow_stats));
flow_cache = kmem_cache_create("sw_flow", flow_size, 0, 0, NULL);
flow_cache = kmem_cache_create("sw_flow", sizeof(struct sw_flow), 0,
0, NULL);
if (flow_cache == NULL)
return -ENOMEM;