Hi,
The pid hash function in include/linux/sched.h looks like this:
#define pid_hashfn(x) ((((x) >> 8) ^ (x)) & (PIDHASH_SZ - 1))
What is the point of the >> 8 ? Since pids are assigned linearly (more
or less), wouldn't ((x) & (PIDHASH_SZ - 1)) be just as good?
Thanks,
Borislav
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Thu Mar 23 2000 - 21:00:22 EST