From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx188.postini.com [74.125.245.188]) by kanga.kvack.org (Postfix) with SMTP id D48C96B0007 for ; Mon, 28 Jan 2013 18:08:56 -0500 (EST) Date: Mon, 28 Jan 2013 15:08:54 -0800 From: Andrew Morton Subject: Re: [PATCH 1/11] ksm: allow trees per NUMA node Message-Id: <20130128150854.6813b1ca.akpm@linux-foundation.org> In-Reply-To: References: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Hugh Dickins Cc: Petr Holasek , Andrea Arcangeli , Izik Eidus , Rik van Riel , David Rientjes , Anton Arapov , linux-kernel@vger.kernel.org, linux-mm@kvack.org On Fri, 25 Jan 2013 17:54:53 -0800 (PST) Hugh Dickins wrote: > +/* Zeroed when merging across nodes is not allowed */ > +static unsigned int ksm_merge_across_nodes = 1; I spose this should be __read_mostly. If __read_mostly is not really a synonym for __make_write_often_storage_slower. I continue to harbor fear, uncertainty and doubt about this... -- 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