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When an UDP application switches from AF_INET to AF_INET6 sockets, we have a small performance degradation for IPv4 communications because of extra cache line misses to access ipv6only information. This can also be noticed for TCP listeners, as ipv6_only_sock() is also used from __inet_lookup_listener()->compute_score() This is magnified when SO_REUSEPORT is used. Move ipv6only into struct sock_common so that it is available at no extra cost in lookups. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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.. | ||
ccids | ||
ackvec.c | ||
ackvec.h | ||
ccid.c | ||
ccid.h | ||
dccp.h | ||
diag.c | ||
feat.c | ||
feat.h | ||
input.c | ||
ipv4.c | ||
ipv6.c | ||
ipv6.h | ||
Kconfig | ||
Makefile | ||
minisocks.c | ||
options.c | ||
output.c | ||
probe.c | ||
proto.c | ||
qpolicy.c | ||
sysctl.c | ||
timer.c |