Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932686Ab3GECBi (ORCPT ); Thu, 4 Jul 2013 22:01:38 -0400 Received: from mail-pb0-f48.google.com ([209.85.160.48]:36718 "EHLO mail-pb0-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756353Ab3GECBg (ORCPT ); Thu, 4 Jul 2013 22:01:36 -0400 Message-ID: <51D628FD.2010806@igel.co.jp> Date: Fri, 05 Jul 2013 11:01:33 +0900 From: Damian Hobson-Garcia User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:17.0) Gecko/20130620 Thunderbird/17.0.7 MIME-Version: 1.0 To: lauraa@codeaurora.org CC: Marek Szyprowski , viro@zeniv.linux.org.uk, linux-fsdevel@vger.kernel.org, "linux-kernel@vger.kernel.org" Subject: Re: [RFC][PATCH] fs/buffer.c: Revoke LRU when trying to drop buffers X-Enigmail-Version: 1.5.1 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 878 Lines: 26 Hi, I've come across a problem allocating chunks of CMA memory on a system under heavy disk access load which seems very similar to the situation described as the rationale for this patch: https://lkml.org/lkml/2012/9/11/335 Basically buffer headers sitting on the LRU list preventing them from being dropped during page migration. I've tried the patch and it seems to solve my problems, so I'm wondering if it is worth resubmitting. The discussion on the original thread seems to have faded out. Does anyone know if it was continued somewhere else? Thank you, Damian -- Damian Hobson-Garcia IGEL Co.,Ltd http://www.igel.co.jp -- 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/