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net/flowcache: Convert to hotplug state machine

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Install the callbacks via the state machine. Use multi state support to avoid
custom list handling for the multiple instances.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Steffen Klassert <steffen.klassert@secunet.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: netdev@vger.kernel.org
Cc: rt@linutronix.de
Cc: "David S. Miller" <davem@davemloft.net>
Link: http://lkml.kernel.org/r/20161103145021.28528-10-bigeasy@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Sebastian Andrzej Siewior
2016-11-03 15:50:05 +01:00
committed by Thomas Gleixner
parent f0bf90def3
commit a4fc1bfc42
5 changed files with 30 additions and 35 deletions
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1
include/net/flow.h
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@@ -239,6 +239,7 @@ struct flow_cache_object *flow_cache_lookup(struct net *net,
void *ctx);
int flow_cache_init(struct net *net);
void flow_cache_fini(struct net *net);
void flow_cache_hp_init(void);
void flow_cache_flush(struct net *net);
void flow_cache_flush_deferred(struct net *net);

2
include/net/flowcache.h
View File

@@ -17,7 +17,7 @@ struct flow_cache_percpu {
struct flow_cache {
u32 hash_shift;
struct flow_cache_percpu __percpu *percpu;
struct notifier_block hotcpu_notifier;
struct hlist_node node;
int low_watermark;
int high_watermark;
struct timer_list rnd_timer;