lkml.org 
[lkml]   [2003]   [Jul]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRE: [PATCH] Fastwalk: reduce cacheline bouncing of d_count ()


On Tue, 8 Jul 2003, Alan Cox wrote:

> On Maw, 2003-07-08 at 16:00, Trond Myklebust wrote:
> > ...but I do agree with your comment. The patch I meant to refer to
> > (see revised title) does not appear in the 2.5.x tree either.
> >
> > Have we BTW been shown any numbers that support the alleged benefits?
> > I may have missed those...
>
> A while ago yes - on very big SMP boxes.
>
> Its no big problem to me since I can just back it out of -ac

Alan,

I included fastwalk patch because I thought it was a stable and very
useful optimisation. Even for 2.4. (I was expecting comments/flames on it
when I first included it.

Now if you think it is a 2.5 thing and can cause any potential problem for
2.4 I will remove 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: 2005-03-22 13:46    [W:1.134 / U:0.000 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site