From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Wed, 4 Mar 1998 00:59:33 +0100 (MET) From: Rik van Riel Reply-To: Rik van Riel Subject: Re: [uPATCH] small kswapd improvement ??? In-Reply-To: <199803032354.XAA02829@dax.dcs.ed.ac.uk> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org To: "Stephen C. Tweedie" Cc: Linus Torvalds , "Benjamin C.R. LaHaise" , linux-mm List-ID: On Tue, 3 Mar 1998, Stephen C. Tweedie wrote: > > I remember the 1.1 or 1.2 days when Stephen reworked the > > swap code and I played around with a small piece of > > vmscan.c. Back then a simple bug was encountered and 'fixed' > > by always starting the memory scan at adress 0, which gives > > a highly unfair and inefficient aging process. > > Ouch --- I wonder how much this is hurting 2.0.33. I think I'll have > to try that, and perhaps look at this for 2.0.34/LMP... It doesn't hurt _that_ much... Otherwise we wouldn't have left it in the swapper code for three years :-) It gives somewhat more than a smallish improvement though... Rik. +-----------------------------+------------------------------+ | For Linux mm-patches, go to | "I'm busy managing memory.." | | my homepage (via LinuxHQ). | H.H.vanRiel@fys.ruu.nl | | ...submissions welcome... | http://www.fys.ruu.nl/~riel/ | +-----------------------------+------------------------------+