From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Wed, 30 Jan 2008 16:13:52 -0800 From: Andrew Morton Subject: Re: [patch 1/6] mm: bdi: tweak task dirty penalty Message-Id: <20080130161352.4dae48e3.akpm@linux-foundation.org> In-Reply-To: <20080129154947.110268504@szeredi.hu> References: <20080129154900.145303789@szeredi.hu> <20080129154947.110268504@szeredi.hu> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Miklos Szeredi Cc: a.p.zijlstra@chello.nl, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org List-ID: On Tue, 29 Jan 2008 16:49:01 +0100 Miklos Szeredi wrote: > Penalizing heavy dirtiers with 1/8-th the total dirty limit might be rather > excessive on large memory machines. Use sqrt to scale it sub-linearly. Then again, it might not be. I'll skip this one. Please resend if/when it is proven to be a net benefit across a broad range of workloads. And stuff like that. -- 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