lkml.org 
[lkml]   [2000]   [Sep]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH *] VM patch for 2.4.0-test8
On Wed, 13 Sep 2000, David S. Miller wrote:

> In page_launder() about halfway down there is this sequence of tests
> on LRU pages:
>
> if (!clearedbuf) {
> ...
> } else if (!page->mapping) {
> ...
> } else if (page_count(page) > 1) {
> } else /* page->mapping && page_count(page) == 1 */ {
> ...
> }
>
> Above this sequence we've done a page_cache_get.

Indeed, you're right. This bug certainly explains some
of the performance things I've seen in the stress test
last night...

Btw, in case you're wondering ... the box /survived/
a stress test that would get programs killed on quite
a few "stable" kernels we've been shipping lately. ;)

regards,

Rik
--
"What you're running that piece of shit Gnome?!?!"
-- Miguel de Icaza, UKUUG 2000

http://www.conectiva.com/ http://www.surriel.com/

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

\
 
 \ /
  Last update: 2005-03-22 12:38    [W:0.098 / U:0.576 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site