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[NET]: NET_CLS_ROUTE : convert ip_rt_acct to per_cpu variables
authorEric Dumazet <dada1@cosmosbay.com>
Fri, 16 Nov 2007 11:32:10 +0000 (03:32 -0800)
committerDavid S. Miller <davem@davemloft.net>
Mon, 28 Jan 2008 22:54:08 +0000 (14:54 -0800)
commit8dbde28d9711475adfe0e9c88505e38743cdc2a7
tree0f41aade985a5626ece9c2007fde14c1ced2a065tree | snapshot (tar.gz zip)
parent68f8353b480e5f2e136c38a511abdbb88eaa8ce2commit | diff
[NET]: NET_CLS_ROUTE : convert ip_rt_acct to per_cpu variables

ip_rt_acct needs 4096 bytes per cpu to perform some accounting.
It is actually allocated as a single huge array [4096*NR_CPUS]
(rounded up to a power of two)

Converting it to a per cpu variable is wanted to :
 - Save space on machines were num_possible_cpus() < NR_CPUS
 - Better NUMA placement (each cpu gets memory on its node)

Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv4/ip_input.c diff | blob | blame | history
net/ipv4/route.c diff | blob | blame | history