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/linux-4.4.14/net/ipv4/
Dicmp.c242 } icmp_global = { variable
243 .lock = __SPIN_LOCK_UNLOCKED(icmp_global.lock),
261 if (!icmp_global.credit) { in icmp_global_allow()
262 delta = min_t(u32, now - icmp_global.stamp, HZ); in icmp_global_allow()
267 spin_lock(&icmp_global.lock); in icmp_global_allow()
268 delta = min_t(u32, now - icmp_global.stamp, HZ); in icmp_global_allow()
272 icmp_global.stamp = now; in icmp_global_allow()
274 credit = min_t(u32, icmp_global.credit + incr, sysctl_icmp_msgs_burst); in icmp_global_allow()
279 icmp_global.credit = credit; in icmp_global_allow()
280 spin_unlock(&icmp_global.lock); in icmp_global_allow()