lkml.org 
[lkml]   [2004]   [May]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: Random file I/O regressions in 2.6
Andrew Morton wrote:

>
>
> Sorry, I do not understand that paragraph at all.
>
> All forms or pagecache population need to examine the pagecache to find out
> if the page is already there. This involves pagecache lookups. We want
> the read code to "learn" that the requested pages are all coming from cache
> and to stop doing those lookups altogether.

Yeah I think I have an idea of what the basic problems are,
but I'd have to understand things better before I know if I
am really on the right track.

My idea would probably also involve redoing some of the code
code too, so at the moment I don't think I have time. If your
simple fix works though, then that sounds good.
-
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 14:02    [W:0.096 / U:0.400 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site