From: Jesper Juhl <[email protected]>
Date: Thu, 8 Dec 2005 23:36:01 +0100
> Here's a small patch to decrease the number of pointer derefs in
> net/netfilter/nfnetlink_queue.c
>
> Benefits of the patch:
> - Fewer pointer dereferences should make the code slightly faster.
> - Size of generated code is smaller
> - improved readability
And you verified the compiler isn't making these transformations
already? It should be doing so via Common Subexpression Elimination
unless the derefs are scattered around with interspersed function
calls in which case the compiler cannot prove that the memory
behind the pointer does not change.
-
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]
