Subject: Re: split-lru performance mesurement part2

From: Rik van Riel <[email-masked]>
Date: Tue, 07 Oct 2008 17:28:09 -0400

Andrew Morton wrote:

> dbench is pretty chaotic and it could be that a good change causes
> dbench to get worse.  That's happened plenty of times in the past.
> 
> 
>> Do you have any suggestion?
> 
> 
> One of these:
> 
> vmscan-give-referenced-active-and-unmapped-pages-a-second-trip-around-the-lru.patch
> vm-dont-run-touch_buffer-during-buffercache-lookups.patch
> 
> perhaps?

Worth a try, but it could just as well be a CPU scheduler change
that happens to indirectly impact locking :)

-- 
All rights reversed.

--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to [email-masked].  For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"[email-masked]"> [email-masked] </a>