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[UDP]: Allow users to configure UDP-Lite.

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Let's give users an option for disabling UDP-Lite (~4K).

old:
|    text	   data	    bss	    dec	    hex	filename
|  286498	  12432	   6072	 305002	  4a76a	net/ipv4/built-in.o
|  193830	   8192	   3204	 205226	  321aa	net/ipv6/ipv6.o

new (without UDP-Lite):
|    text	   data	    bss	    dec	    hex	filename
|  284086	  12136	   5432	 301654	  49a56	net/ipv4/built-in.o
|  191835	   7832	   3076	 202743	  317f7	net/ipv6/ipv6.o

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
This commit is contained in:
YOSHIFUJI Hideaki 2008-03-01 01:06:47 +09:00
parent c6aefafb7e
commit e898d4db27
14 changed files with 99 additions and 25 deletions
Download patch file Download diff file Expand all files Collapse all files

5
net/ipv4/proc.c
View file

@ -59,7 +59,9 @@ static int sockstat_seq_show(struct seq_file *seq, void *v)
atomic_read(&tcp_memory_allocated));
seq_printf(seq, "UDP: inuse %d mem %d\n", sock_prot_inuse_get(&udp_prot),
atomic_read(&udp_memory_allocated));
#ifdef CONFIG_IP_UDPLITE
seq_printf(seq, "UDPLITE: inuse %d\n", sock_prot_inuse_get(&udplite_prot));
#endif
seq_printf(seq, "RAW: inuse %d\n", sock_prot_inuse_get(&raw_prot));
seq_printf(seq, "FRAG: inuse %d memory %d\n",
ip_frag_nqueues(&init_net), ip_frag_mem(&init_net));
@ -349,6 +351,7 @@ static int snmp_seq_show(struct seq_file *seq, void *v)
snmp_fold_field((void **)udp_statistics,
snmp4_udp_list[i].entry));
#ifdef CONFIG_IP_UDPLITE
/* the UDP and UDP-Lite MIBs are the same */
seq_puts(seq, "\nUdpLite:");
for (i = 0; snmp4_udp_list[i].name != NULL; i++)
@ -359,7 +362,7 @@ static int snmp_seq_show(struct seq_file *seq, void *v)
seq_printf(seq, " %lu",
snmp_fold_field((void **)udplite_statistics,
snmp4_udp_list[i].entry));
#endif
seq_putc(seq, '\n');
return 0;
}