On Mon, Jan 24, 2005 at 11:48:53AM +0000, Russell King wrote: > On Sun, Jan 23, 2005 at 08:03:15PM +0000, Russell King wrote: > > I think I may be seeing something odd here, maybe a possible memory leak. > > The only problem I have is wondering whether I'm actually comparing like > > with like. Maybe some networking people can provide a hint? > > > > Below is gathered from 2.6.11-rc1. > > > > bash-2.05a# cat /proc/net/rt_cache | wc -l; grep ip_dst /proc/slabinfo > > 24 > > ip_dst_cache 669 885 256 15 1 > > > > I'm fairly positive when I rebooted the machine a couple of days ago, > > ip_dst_cache was significantly smaller for the same number of lines in > > /proc/net/rt_cache. > > FYI, today it looks like this: > > bash-2.05a# cat /proc/net/rt_cache | wc -l; grep ip_dst /proc/slabinfo > 26 > ip_dst_cache 820 1065 256 15 1 > > So the dst cache seems to have grown by 151 in 16 hours... I'll continue > monitoring and providing updates.
Tonights update: 50 ip_dst_cache 1024 1245 256 15 1 As you can see, the dst cache is consistently growing by about 200 entries per day. Given this, I predict that the box will fall over due to "dst cache overflow" in roughly 35 days. kernel network configuration: CONFIG_INET=y CONFIG_IP_MULTICAST=y CONFIG_IP_ADVANCED_ROUTER=y CONFIG_IP_MULTIPLE_TABLES=y CONFIG_IP_ROUTE_FWMARK=y CONFIG_IP_ROUTE_VERBOSE=y CONFIG_IP_PNP=y CONFIG_IP_PNP_BOOTP=y CONFIG_SYN_COOKIES=y CONFIG_IPV6=y CONFIG_NETFILTER=y CONFIG_IP_NF_CONNTRACK=y CONFIG_IP_NF_CONNTRACK_MARK=y CONFIG_IP_NF_FTP=y CONFIG_IP_NF_IRC=y CONFIG_IP_NF_IPTABLES=y CONFIG_IP_NF_MATCH_LIMIT=y CONFIG_IP_NF_MATCH_IPRANGE=y CONFIG_IP_NF_MATCH_MAC=m CONFIG_IP_NF_MATCH_PKTTYPE=m CONFIG_IP_NF_MATCH_MARK=y CONFIG_IP_NF_MATCH_MULTIPORT=m CONFIG_IP_NF_MATCH_TOS=m CONFIG_IP_NF_MATCH_RECENT=y CONFIG_IP_NF_MATCH_ECN=m CONFIG_IP_NF_MATCH_DSCP=m CONFIG_IP_NF_MATCH_AH_ESP=m CONFIG_IP_NF_MATCH_LENGTH=m CONFIG_IP_NF_MATCH_TTL=m CONFIG_IP_NF_MATCH_TCPMSS=m CONFIG_IP_NF_MATCH_HELPER=y CONFIG_IP_NF_MATCH_STATE=y CONFIG_IP_NF_MATCH_CONNTRACK=y CONFIG_IP_NF_MATCH_ADDRTYPE=m CONFIG_IP_NF_MATCH_REALM=m CONFIG_IP_NF_MATCH_CONNMARK=m CONFIG_IP_NF_MATCH_HASHLIMIT=m CONFIG_IP_NF_FILTER=y CONFIG_IP_NF_TARGET_REJECT=y CONFIG_IP_NF_TARGET_LOG=m CONFIG_IP_NF_TARGET_TCPMSS=m CONFIG_IP_NF_NAT=y CONFIG_IP_NF_NAT_NEEDED=y CONFIG_IP_NF_TARGET_MASQUERADE=y CONFIG_IP_NF_TARGET_REDIRECT=y CONFIG_IP_NF_TARGET_NETMAP=y CONFIG_IP_NF_TARGET_SAME=y CONFIG_IP_NF_NAT_IRC=y CONFIG_IP_NF_NAT_FTP=y CONFIG_IP_NF_MANGLE=y CONFIG_IP_NF_TARGET_TOS=m CONFIG_IP_NF_TARGET_ECN=m CONFIG_IP_NF_TARGET_DSCP=m CONFIG_IP_NF_TARGET_MARK=y CONFIG_IP_NF_TARGET_CLASSIFY=m CONFIG_IP_NF_TARGET_CONNMARK=m CONFIG_IP_NF_TARGET_CLUSTERIP=m CONFIG_IP6_NF_IPTABLES=y CONFIG_IP6_NF_MATCH_LIMIT=y CONFIG_IP6_NF_MATCH_MAC=y CONFIG_IP6_NF_MATCH_RT=y CONFIG_IP6_NF_MATCH_OPTS=y CONFIG_IP6_NF_MATCH_FRAG=y CONFIG_IP6_NF_MATCH_HL=y CONFIG_IP6_NF_MATCH_MULTIPORT=y CONFIG_IP6_NF_MATCH_MARK=y CONFIG_IP6_NF_MATCH_AHESP=y CONFIG_IP6_NF_MATCH_LENGTH=y CONFIG_IP6_NF_FILTER=y CONFIG_IP6_NF_MANGLE=y CONFIG_IP6_NF_TARGET_MARK=y -- Russell King Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/ maintainer of: 2.6 PCMCIA - http://pcmcia.arm.linux.org.uk/ 2.6 Serial core - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
