From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Mon, 4 Feb 2008 09:55:26 -0800 From: mark gross Subject: Re: Pull request: DMA pool updates Message-ID: <20080204175526.GA21144@linux.intel.com> Reply-To: mgross@linux.intel.com References: <20080129001147.GD31101@parisc-linux.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080129001147.GD31101@parisc-linux.org> Sender: owner-linux-mm@kvack.org Return-Path: To: Matthew Wilcox Cc: Linus Torvalds , Andrew Morton , linux-mm@kvack.org, linux-kernel@vger.kernel.org List-ID: On Mon, Jan 28, 2008 at 05:11:47PM -0700, Matthew Wilcox wrote: > G'day Linus, mate > > Could you pull the dmapool branch of > git://git.kernel.org/pub/scm/linux/kernel/git/willy/misc.git please? > > All the patches have been posted to linux-kernel before, and various > comments (and acks) have been taken into account. > > It's a fairly nice performance improvement, so would be good to get in. > It's survived a few hours of *mumble* high-stress database benchmark, > so I have high confidence in its stability. I haven't looked at this yet but, I've been doing some work with the IOMMU performance impacts on DMA operations. DMApooling could provide a way to mitigate some of the spankage gotten when using IOMMU's. --mgross > > -- > Intel are signing my paycheques ... these opinions are still mine > "Bill, look, we understand that you're interested in selling us this > operating system, but compare it to ours. We can't possibly take such > a retrograde step." > > -- > 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: email@kvack.org -- 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: email@kvack.org