From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Wed, 4 Feb 2004 10:27:11 -0500 (EST) From: Rik van Riel Subject: Re: [PATCH 2/5] mm improvements In-Reply-To: <20040204021035.2a6ca8a2.akpm@osdl.org> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: Andrew Morton Cc: Nick Piggin , linux-mm@kvack.org List-ID: On Wed, 4 Feb 2004, Andrew Morton wrote: > Nick Piggin wrote: > > > 2/5: vm-dont-rotate-active-list.patch > > > Nikita's patch to keep more page ordering info in the active list. > > > Also should improve system time due to less useless scanning > > > Helps swapping loads significantly. > > It bugs me that this improvement is also applicable to 2.4. if it makes > the same improvement there, we're still behind. I suspect 2.4 won't see the gains from this, since active/inactive list location is hardly relevant for mapped pages there, due to the page table scanning algorithm. -- "Debugging is twice as hard as writing the code in the first place. Therefore, if you write the code as cleverly as possible, you are, by definition, not smart enough to debug it." - Brian W. Kernighan -- 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