lkml.org 
[lkml]   [2002]   [Aug]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: Linux v2.4.19-rc5

On Thu, 1 Aug 2002, Jens Axboe wrote:

> On Thu, Aug 01 2002, Marcelo Tosatti wrote:
> > <akpm@zip.com.au> (02/08/01 1.663)
> > [PATCH] disable READA
>
> Since -rc5 is not to be found yet, I don't know what version of this
> made it in. Is READA just being disabled on SMP, or was it the general
> #if 0 change that got included?

Its being disabled on UP and SMP. I dont like having such readahead IO
mode working only for UP.

> I'm asking since plain disabling READA might have nasty performance
> effects. Andrew, I bet you did some numbers on this, care to share?

If thats true (the performance effects) I'll release -final with IMO not
very coherent READA semantics :)

Anyway, lets wait for the numbers.




-
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 13:27    [W:0.160 / U:3.844 seconds]
©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site