Re: Large inlines in include/linux/skbuff.h

From: David S. Miller
Date: Thu Apr 22 2004 - 13:39:55 EST


On Thu, 22 Apr 2004 17:56:46 +0300
Denis Vlasenko <vda@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote:

> On Thursday 22 April 2004 03:47, James Morris wrote:
> > On Wed, 21 Apr 2004, Denis Vlasenko wrote:
> > > What shall be done with this? I'll make patch to move locking functions
> > > into net/core/skbuff.c unless there is some reason not to do it.
> >
> > How will these changes impact performance? I asked this last time you
> > posted about inlines and didn't see any response.
>
> Hard to say. We will lose ~2% to extra call/return instructions
> but will gain 40kb of icache space.

He's asking you to test and quantify the performance changes that
occur as a result of this patch, not to figure it out via calculations
in your head :-)
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