From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Wed, 26 Apr 2006 09:55:11 -0700 From: Andrew Morton Subject: Re: Lockless page cache test results Message-Id: <20060426095511.0cc7a3f9.akpm@osdl.org> In-Reply-To: <20060426135310.GB5083@suse.de> References: <20060426135310.GB5083@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Jens Axboe Cc: linux-kernel@vger.kernel.org, npiggin@suse.de, linux-mm@kvack.org List-ID: Jens Axboe wrote: > > Running a splice benchmark on a 4-way IPF box, I decided to give the > lockless page cache patches from Nick a spin. I've attached the results > as a png, it pretty much speaks for itself. It does. What does the test do? In particular, does it cause the kernel to take tree_lock once per page, or once per batch-of-pages? -- 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