X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=net%2Fcore%2Fflow.c;h=5cf81052d044ef91710d51ff7ab2ec162bdd3be6;hb=76aab2c1eae491a5d73ac83deec97dd28ebac584;hp=0ab5234b17d8423e18c20ac9575178b01b25b6a2;hpb=dcb76f88683618ed6ef0df66643dba1285881ee5;p=linux-2.6 diff --git a/net/core/flow.c b/net/core/flow.c index 0ab5234b17..5cf81052d0 100644 --- a/net/core/flow.c +++ b/net/core/flow.c @@ -23,15 +23,14 @@ #include #include #include -#include #include struct flow_cache_entry { struct flow_cache_entry *next; u16 family; u8 dir; - struct flowi key; u32 genid; + struct flowi key; void *object; atomic_t *object_ref; }; @@ -52,7 +51,7 @@ struct flow_percpu_info { int hash_rnd_recalc; u32 hash_rnd; int count; -} ____cacheline_aligned; +}; static DEFINE_PER_CPU(struct flow_percpu_info, flow_hash_info) = { 0 }; #define flow_hash_rnd_recalc(cpu) \ @@ -142,8 +141,6 @@ typedef u64 flow_compare_t; typedef u32 flow_compare_t; #endif -extern void flowi_is_missized(void); - /* I hear what you're saying, use memcmp. But memcmp cannot make * important assumptions that we can here, such as alignment and * constant size. @@ -153,8 +150,7 @@ static int flow_key_compare(struct flowi *key1, struct flowi *key2) flow_compare_t *k1, *k1_lim, *k2; const int n_elem = sizeof(struct flowi) / sizeof(flow_compare_t); - if (sizeof(struct flowi) % sizeof(flow_compare_t)) - flowi_is_missized(); + BUILD_BUG_ON(sizeof(struct flowi) % sizeof(flow_compare_t)); k1 = (flow_compare_t *) key1; k1_lim = k1 + n_elem; @@ -296,19 +292,19 @@ void flow_cache_flush(void) static DEFINE_MUTEX(flow_flush_sem); /* Don't want cpus going down or up during this. */ - lock_cpu_hotplug(); + get_online_cpus(); mutex_lock(&flow_flush_sem); atomic_set(&info.cpuleft, num_online_cpus()); init_completion(&info.completion); local_bh_disable(); - smp_call_function(flow_cache_flush_per_cpu, &info, 1, 0); + smp_call_function(flow_cache_flush_per_cpu, &info, 0); flow_cache_flush_tasklet((unsigned long)&info); local_bh_enable(); wait_for_completion(&info.completion); mutex_unlock(&flow_flush_sem); - unlock_cpu_hotplug(); + put_online_cpus(); } static void __devinit flow_cache_cpu_prepare(int cpu) @@ -349,14 +345,13 @@ static int __init flow_cache_init(void) flow_cachep = kmem_cache_create("flow_cache", sizeof(struct flow_cache_entry), - 0, SLAB_HWCACHE_ALIGN|SLAB_PANIC, + 0, SLAB_PANIC, NULL); flow_hash_shift = 10; flow_lwm = 2 * flow_hash_size; flow_hwm = 4 * flow_hash_size; - init_timer(&flow_hash_rnd_timer); - flow_hash_rnd_timer.function = flow_cache_new_hashrnd; + setup_timer(&flow_hash_rnd_timer, flow_cache_new_hashrnd, 0); flow_hash_rnd_timer.expires = jiffies + FLOW_HASH_RND_PERIOD; add_timer(&flow_hash_rnd_timer);