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authorHolger Eitzenberger <heitzenberger@astaro.com>2006-02-04 02:13:14 -0800
committerDavid S. Miller <davem@sunset.davemloft.net>2006-02-04 23:51:18 -0800
commitc2db292438c20c3f13db6e5563e0ce5b449bedac (patch)
tree775c7aa2e2e6069cb238833e5328a7b42b23041a /.gitignore
parentddc8d029ac6813827849801bce2d8c8813070db6 (diff)
[NETFILTER]: ULOG/nfnetlink_log: Use better default value for 'nlbufsiz'
Performance tests showed that ULOG may fail on heavy loaded systems because of failed order-N allocations (N >= 1). The default value of 4096 is not optimal in the sense that it actually allocates _two_ contigous physical pages. Reasoning: ULOG uses alloc_skb(), which adds another ~300 bytes for skb_shared_info. This patch sets the default value to NLMSG_GOODSIZE and adds some documentation at the top. Signed-off-by: Holger Eitzenberger <heitzenberger@astaro.com> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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