From: Adrian Bunk <[email protected]>
Date: Thu, 13 Dec 2007 23:20:44 +0100
> My question is:
> Is there anywhere in the kernel a case where __read_mostly brings a
> measurable improvement or can it be removed?
Yes, on SMP when read-mostly objects share cache lines
with other objects which are frequently written to.
That is the whole reason we created __read_mostly
--
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]
