转:http://blog.csdn.net/nerdx/article/details/12312325
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1.1 void __init ip_init(void)
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{
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dev_add_pack(&ip_packet_type);
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ip_rt_init();
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inet_initpeers();
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}
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1.2 void __init inet_initpeers(void)
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{
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struct sysinfo si;
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si_meminfo(&si);
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if (si.totalram <= (32768*1024)/PAGE_SIZE)
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inet_peer_threshold >>= 1;
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if (si.totalram <= (16384*1024)/PAGE_SIZE)
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inet_peer_threshold >>= 1;
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if (si.totalram <= (8192*1024)/PAGE_SIZE)
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inet_peer_threshold >>= 2;
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peer_cachep = kmem_cache_create("inet_peer_cache",
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sizeof(struct inet_peer),
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0, SLAB_HWCACHE_ALIGN|SLAB_PANIC,
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NULL);
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peer_periodic_timer.expires = jiffies
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+ net_random() % inet_peer_gc_maxtime
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+ inet_peer_gc_maxtime;
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add_timer(&peer_periodic_timer);
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}
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