lkml.org 
[lkml]   [2007]   [Nov]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [patch 02/23] SLUB: Rename NUMA defrag_ratio to remote_node_defrag_ratio
On Thu, 8 Nov 2007, Matt Mackall wrote:

> > I cannot figure out what the number of cycles currently showing on the TSC
> > have to do with a ratio :(. I could semi-understand if we were counting up
> > how many cycles were being spent trying to pack objects but that does not
> > appear to be the case. The comment didn't help a whole lot either. It felt
> > like a cost for packing, not a ratio
>
> It's just a random number generator. And a bad one: lots of arches
> return 0. And I believe at least one of them has some NUMA support.

Do we have a better one? Something with minimal processing overhead? I'd
be glad to switch it.

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2007-11-08 20:19    [W:0.054 / U:0.036 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site