17.10.2012 17:44, Eric Dumazet пишет:
On Wed, 2012-10-17 at 17:18 +0400, Stanislav Kinsbursky wrote:+static int hash(struct signal_struct *sig, unsigned int nr) +{ + int hash = hash_ptr(sig, POSIX_TIMERS_HASH_BITS); + return hash ^ hash_32(nr, POSIX_TIMERS_HASH_BITS); +} +This is quite expensive on 64 bit arches. I suggest instead : return hash_32(hash32_ptr(sig) ^ nr, POSIX_TIMERS_HASH_BITS);
I'm not familiar with hashing costs, so sure, I'll update. -- Best regards, Stanislav Kinsbursky _______________________________________________ Devel mailing list [email protected] https://openvz.org/mailman/listinfo/devel
