lkml.org 
[lkml]   [2007]   [Nov]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [patch 0/7] [RFC] SLUB: Improve allocpercpu to reduce per cpu access overhead
Christoph Lameter a écrit :
> On Mon, 12 Nov 2007, Herbert Xu wrote:
>
>> David Miller <davem@davemloft.net> wrote:
>>> Each IP compression tunnel instance does an alloc_percpu().
>> Actually all IPComp tunnels share one set of objects which are
>> allocated per-cpu. So only the first tunnel would do that.
>
> Ahh so the need to be able to expand per cpu memory storage on demand
> is not as critical as we thought.
>

Yes, but still desirable for future optimizations.

For example, I do think using a per cpu memory storage on net_device refcnt &
last_rx could give us some speedups.



-
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: 2007-11-12 20:53    [W:1.174 / U:0.012 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site