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/

Reply via email to