Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755245AbZFYRJd (ORCPT ); Thu, 25 Jun 2009 13:09:33 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754412AbZFYRJZ (ORCPT ); Thu, 25 Jun 2009 13:09:25 -0400 Received: from mailhost14.gawab.com ([66.220.20.14]:44060 "HELO info88.gawab.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1754149AbZFYRJY (ORCPT ); Thu, 25 Jun 2009 13:09:24 -0400 X-Trusted: Whitelisted From: Al Boldi To: Jens Axboe Subject: Re: [RFC][PATCH] mm: stop balance_dirty_pages doing too much work Date: Thu, 25 Jun 2009 20:10:33 +0300 User-Agent: KMail/1.5 Cc: Peter Zijlstra , Andrew Morton , Richard Kennedy , linux-mm@kvack.org, linux-kernel@vger.kernel.org References: <1245839904.3210.85.camel@localhost.localdomain> <200906251646.22785.a1426z@gawab.com> <20090625144450.GT31415@kernel.dk> In-Reply-To: <20090625144450.GT31415@kernel.dk> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200906252010.33535.a1426z@gawab.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 534 Lines: 18 Jens Axboe wrote: > The test case is random mmap writes to files that have been laid out > sequentially. So it's all seeks. The target drive is an SSD disk though, > so it doesn't matter a whole lot (it's a good SSD). Oh, SSD. What numbers do you get for normal disks? Thanks! -- Al -- 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/