Andi Kleen <[email protected]> wrote:
> BTW maybe it would be a good idea to switch the wait list to a hlist,
> then the last user in the queue wouldn't need to
> touch the cache line of the head. Or maybe even a single linked
> list then some more cache bounces might be avoidable.
You need a list_head to get O(1) push at one end and O(1) pop at the other.
In addition a singly-linked list makes interruptible ops non-O(1) also.
David
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
