ipv6: avoid cache line dirtying in ipv6_dev_get_saddr()

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By extending the rcu section a bit, we can avoid these
very expensive in6_ifa_put()/in6_ifa_hold() calls
done in __ipv6_dev_get_saddr() and ipv6_dev_get_saddr()

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Eric Dumazet 2017-10-07 19:30:28 -07:00 • committed by David S. Miller

parent f59c031e91

commit cc429c8f6f

1 changed files with 6 additions and 11 deletions

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17

net/ipv6/addrconf.c

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