>Right now the rb_entry() call is:
>
>#define rb_entry(ptr, type, member) \
> ((type *)((char *)(ptr)-(unsigned long)(&((type *)0)->member)))
>
>If somebody has hints about this or about every other thing let me know as
>usual ;).
Just for the record I had an idea on how to avoid the branch. Simply
multiplying `0->memeber' with `!!ptr'. Maybe I'll do that...
Andrea Arcangeli
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