Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752763Ab3J2Unt (ORCPT ); Tue, 29 Oct 2013 16:43:49 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:38628 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752040Ab3J2Uns (ORCPT ); Tue, 29 Oct 2013 16:43:48 -0400 Date: Tue, 29 Oct 2013 13:43:46 -0700 From: Andrew Morton To: Jan Kara Cc: Karl Kiniger , Linus Torvalds , "Artem S. Tashkinov" , Wu Fengguang , Linux Kernel Mailing List Subject: Re: Disabling in-memory write cache for x86-64 in Linux II Message-Id: <20131029134346.9e5873bae3630e9a69891773@linux-foundation.org> In-Reply-To: <20131029203050.GE9568@quack.suse.cz> References: <160824051.3072.1382685914055.JavaMail.mail@webmail07> <1814253454.3449.1382689853825.JavaMail.mail@webmail07> <20131025091555.GA30895@kipc2.localdomain> <20131029203050.GE9568@quack.suse.cz> X-Mailer: Sylpheed 3.2.0beta5 (GTK+ 2.24.10; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 911 Lines: 23 On Tue, 29 Oct 2013 21:30:50 +0100 Jan Kara wrote: > Andrew has queued up a patch series from Maxim Patlasov which removes this > caveat but currently we don't have a way admin can switch that from > userspace. But I'd like to have that tunable from userspace exactly for the > cases as you describe below. This? commit 5a53748568f79641eaf40e41081a2f4987f005c2 Author: Maxim Patlasov AuthorDate: Wed Sep 11 14:22:46 2013 -0700 Commit: Linus Torvalds CommitDate: Wed Sep 11 15:58:04 2013 -0700 mm/page-writeback.c: add strictlimit feature That's already in mainline, for 3.12. -- 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/