Re: [PATCH v2 1/2] kmem_cache: include allocators code directly into slab_common

From: Andi Kleen
Date: Wed Oct 24 2012 - 11:36:50 EST


On Wed, Oct 24, 2012 at 02:29:09PM +0000, Christoph Lameter wrote:
> On Wed, 24 Oct 2012, Glauber Costa wrote:
>
> > Because of that, we either have to move all the entry points to the
> > mm/slab.h and rely heavily on the pre-processor, or include all .c files
> > in here.
>
> Hmm... That is a bit of a radical solution. The global optimizations now
> possible with the new gcc compiler include the ability to fold functions
> across different linkable objects. Andi, is that usable for kernel builds?

Yes, but you need a fairly large patchkit which is not mainline yet.

https://github.com/andikleen/linux-misc/tree/lto

-Andi
--
ak@xxxxxxxxxxxxxxx -- Speaking for myself only.
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