Re: [RFC][PATCH 02/10] mm: Remove likely() from mapping_unevictable()

Steven Rostedt
2010-12-07T13:06:39Z

On Tue, 2010-12-07 at 18:02 +1100, Nick Piggin wrote:
> On Mon, Dec 06, 2010 at 09:22:13PM -0500, Steven Rostedt wrote:

> I think so. We don't have good guidelines or empirical numbers on this,
> unfortunately, but I think it would be somewhere over 90%, given that it
> tends to add jumps to and from out of line icache in the incorrect case.

OK, so I'll add the removal of the unlikely() in page_mapping in my next
verison.

>
> Acked-by: Nick Piggin <npiggin@kernel.dk>

Thanks!

-- Steve