Re: 2.4.8/2.4.9 VM problems

From: Daniel Phillips (phillips@bonn-fries.net)
Date: Sun Aug 19 2001 - 16:00:32 EST


On August 17, 2001 03:10 pm, Frank Dekervel wrote:
> Hello,
>
> since i upgraded to kernel 2.4.8/2.4.9, i noticed everything became noticably
> slower, and the number of swapins/swapouts increased significantly. When i
> run 'vmstat 1' i see there is a lot of swap activity constantly when i am
> reading my mail in kmail. After a fresh bootup in the evening, i can get
> everything I normally need swapped out by running updatedb or ht://dig. When
> i do that, my music stops playing for several seconds, and it takes about 3
> seconds before my applications repaint when i switch back to X after an
> updatedb run.
> the last time that happent (and the last time i had problems with VM at all)
> was in 2.4.0-testXX so i think something is wrong ...
> is it possible new used_once does not work for me (and drop_behind used to
> work fine) ?
>
> My system configuration : athlon 750, 384 meg ram, 128 meg swap, XFree4.1 and
> kde2.2.

Could you please try this patch against 2.4.9 (patch -p0):

--- ../2.4.9.clean/mm/memory.c Mon Aug 13 19:16:41 2001
+++ ./mm/memory.c Sun Aug 19 21:35:26 2001
@@ -1119,6 +1119,7 @@
                          */
                         return pte_same(*page_table, orig_pte) ? -1 : 1;
                 }
+ SetPageReferenced(page);
         }
 
         /*
-
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This archive was generated by hypermail 2b29 : Thu Aug 23 2001 - 21:00:32 EST