Re: [PATCH 0/9] re-shrink 'struct page' when SLUB is on.

From: Christoph Lameter
Date: Sat Jan 11 2014 - 19:58:46 EST


On Sat, 11 Jan 2014, Pekka Enberg wrote:

> On Sat, Jan 11, 2014 at 1:42 AM, Dave Hansen <dave@xxxxxxxx> wrote:
> > On 01/10/2014 03:39 PM, Andrew Morton wrote:
> >>> I tested 4 cases, all of these on the "cache-cold kfree()" case. The
> >>> first 3 are with vanilla upstream kernel source. The 4th is patched
> >>> with my new slub code (all single-threaded):
> >>>
> >>> http://www.sr71.net/~dave/intel/slub/slub-perf-20140109.png
> >>
> >> So we're converging on the most complex option. argh.
> >
> > Yeah, looks that way.
>
> Seems like a reasonable compromise between memory usage and allocation speed.
>
> Christoph?

Fundamentally I think this is good. I need to look at the details but I am
only going to be able to do that next week when I am back in the office.

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