Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932739Ab2JRVVP (ORCPT ); Thu, 18 Oct 2012 17:21:15 -0400 Received: from mx1.redhat.com ([209.132.183.28]:25422 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755997Ab2JRVVL (ORCPT ); Thu, 18 Oct 2012 17:21:11 -0400 Date: Thu, 18 Oct 2012 17:19:28 -0400 From: Rik van Riel To: mingo@redhat.com Cc: linux-kernel@vger.kernel.org, aarcange@redhat.com, a.p.zijlstra@chello.nl Subject: [PATCH 1/2] add credits for NUMA placement Message-ID: <20121018171928.24d06af4@cuia.bos.redhat.com> In-Reply-To: <20121018171821.7f1b1683@cuia.bos.redhat.com> References: <20121018171821.7f1b1683@cuia.bos.redhat.com> Organization: Red Hat, Inc 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: 1910 Lines: 57 The NUMA placement code has been rewritten several times, but the basic ideas took a lot of work to develop. The people who put in the work deserve credit for it. Thanks Andrea & Peter :) The Documentation/scheduler/numa-problem.txt file should probably be rewritten once we figure out the final details of what the NUMA code needs to do, and why. Signed-off-by: Rik van Riel ---- This is against tip.git numa/core diff --git a/CREDITS b/CREDITS index d8fe12a..b4cdc8f 100644 --- a/CREDITS +++ b/CREDITS @@ -125,6 +125,7 @@ D: Author of pscan that helps to fix lp/parport bugs D: Author of lil (Linux Interrupt Latency benchmark) D: Fixed the shm swap deallocation at swapoff time (try_to_unuse message) D: VM hacker +D: NUMA task placement D: Various other kernel hacks S: Imola 40026 S: Italy diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 1e24aa1..e93032d 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -18,6 +18,9 @@ * * Adaptive scheduling granularity, math enhancements by Peter Zijlstra * Copyright (C) 2007 Red Hat, Inc., Peter Zijlstra + * + * NUMA placement, statistics and algorithm by Andrea Arcangeli, + * CFS balancing changes by Peter Zijlstra. Copyright (C) 2012 Red Hat, Inc. */ #include diff --git a/mm/memory.c b/mm/memory.c index fc48fe8..9e56a44 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -36,6 +36,8 @@ * (Gerhard.Wichert@pdb.siemens.de) * * Aug/Sep 2004 Changed to four level page tables (Andi Kleen) + * + * 2012 - NUMA placement page faults (Andrea Arcangeli, Peter Zijlstra) */ #include -- 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/