lkml.org 
[lkml]   [1997]   [Nov]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] vhand-2.1.63
On Sat, 15 Nov 1997, Joe Fouche wrote:
>
> It looks to me like the code in kswapd to wake vhand up is being called too
> often. After commenting out the following in vmscan.c (swap_tick):
>
> /*
> if (jiffies > next_scan_jiffies) {
> if (!vhand_awake) {
> wake_up(&vhand_wait);
> need_resched = 1;
> }
> }
> */
>
> vhand no longer uses an appreciable amount of CPU. Performance still seems
> improved. Comments?

Hmm, how about kswapd CPU usage...
Anyways, since performance went up, I think I'm going to try
this myself.
Or otherwise we could implement a less agressive tuning
method, a maximum delay of HZ/10, or whatever...

Time to tune the tuning,

Rik.

----------
Send Linux memory-management wishes to me: I'm currently looking
for something to hack...


\
 
 \ /
  Last update: 2005-03-22 13:40    [W:0.033 / U:0.080 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site