Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 31 Jan 2002 23:00:12 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 31 Jan 2002 22:59:54 -0500 Received: from samba.sourceforge.net ([198.186.203.85]:11013 "HELO lists.samba.org") by vger.kernel.org with SMTP id ; Thu, 31 Jan 2002 22:59:47 -0500 Date: Fri, 1 Feb 2002 14:56:28 +1100 From: Anton Blanchard To: Andrea Arcangeli Cc: Ingo Molnar , Linus Torvalds , Rik van Riel , Momchil Velikov , John Stoffel , linux-kernel@vger.kernel.org Subject: Re: [PATCH] Radix-tree pagecache for 2.5 Message-ID: <20020201035628.GA10749@krispykreme> In-Reply-To: <20020131231242.GA4138@krispykreme> <20020201005543.K3396@athlon.random> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20020201005543.K3396@athlon.random> User-Agent: Mutt/1.3.27i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > all the hashes should be allocated with the bootmem allocator, that > doesn't have the MAX_ORDER limit. Not only the pagecache hash, that is > the only one replaced. > > In short, for an optimal comparison between hash and radix tree, we'd > need to fixup the hash allocation with the bootmem allocator first. All my results use vmalloc to allocate the hashes so they get sized correctly. Don't worry, there is no increased tlb pressure on these machines due to vmalloc, that cpu doesnt have large page support. Anton - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/