From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nikita Danilov MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <16400.60529.288718.648132@laputa.namesys.com> Date: Fri, 23 Jan 2004 12:42:09 +0300 Subject: Re: [BENCHMARKS] Namesys VM patches improve kbuild In-Reply-To: <4010CA48.3000105@cyberone.com.au> References: <400F630F.80205@cyberone.com.au> <20040121223608.1ea30097.akpm@osdl.org> <4010CA48.3000105@cyberone.com.au> Sender: owner-linux-mm@kvack.org Return-Path: To: Nick Piggin Cc: Andrew Morton , linux-mm@kvack.org List-ID: Nick Piggin writes: > > > Andrew Morton wrote: > > > > >Yes, I do think that the "LRU" is a bit of a misnomer - it's very > >approximate and only really suits simple workloads. I suspect that once > >things get hot and heavy the "lru" is only four-deep: > >unreferenced/inactive, referenced/inactive, unreferenced/active and > >referenced/active. > > > >Can you test the patches separately, see what bits are actually helping? > > > > OK, sorry for the delay. > http://www.kerneltrap.org/~npiggin/vm/namesys.png > > The LRU patch is the one that does it. > I presume (from the picture) that dont-rotate-active-list is meant, right? Nikita. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: aart@kvack.org