linux-kernel - [tip:numa/core] sched, numa, mm: Add credits for NUMA placement

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Message-ID: <tip-b644797f6b72b9b9b0cf35bdf7981f5602725bea@git.kernel.org>
Date:	Tue, 13 Nov 2012 09:23:10 -0800
From:	tip-bot for Rik van Riel <riel@...hat.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...nel.org,
	torvalds@...ux-foundation.org, a.p.zijlstra@...llo.nl,
	riel@...hat.com, akpm@...ux-foundation.org, aarcange@...hat.com,
	mgorman@...e.de, tglx@...utronix.de
Subject: [tip:numa/core] sched, numa, mm: Add credits for NUMA placement

Commit-ID:  b644797f6b72b9b9b0cf35bdf7981f5602725bea
Gitweb:     http://git.kernel.org/tip/b644797f6b72b9b9b0cf35bdf7981f5602725bea
Author:     Rik van Riel <riel@...hat.com>
AuthorDate: Thu, 18 Oct 2012 17:19:28 -0400
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Tue, 13 Nov 2012 18:09:25 +0100

sched, numa, mm: Add credits for NUMA placement

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 <riel@...hat.com>
Acked-by: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Andrea Arcangeli <aarcange@...hat.com>
Cc: Rik van Riel <riel@...hat.com>
Cc: Mel Gorman <mgorman@...e.de>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Link: http://lkml.kernel.org/r/20121018171928.24d06af4@cuia.bos.redhat.com
Signed-off-by: Ingo Molnar <mingo@...nel.org>
----
This is against tip.git numa/core
---
 CREDITS             |    1 +
 kernel/sched/fair.c |    3 +++
 mm/memory.c         |    2 ++
 3 files changed, 6 insertions(+), 0 deletions(-)

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 93f4de4..309a254 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 <pzijlstr@...hat.com>
+ *
+ *  NUMA placement, statistics and algorithm by Andrea Arcangeli,
+ *  CFS balancing changes by Peter Zijlstra. Copyright (C) 2012 Red Hat, Inc.
  */
 
 #include <linux/latencytop.h>
diff --git a/mm/memory.c b/mm/memory.c
index 1b9108c..ebd18fd 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -36,6 +36,8 @@
  *		(Gerhard.Wichert@....siemens.de)
  *
  * Aug/Sep 2004 Changed to four level page tables (Andi Kleen)
+ *
+ * 2012 - NUMA placement page faults (Andrea Arcangeli, Peter Zijlstra)
  */
 
 #include <linux/kernel_stat.h>
--
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