linux-kernel - [PATCH] sched: Don't try allocating memory from offline nodes

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Message-Id: <4fc507a211523c4a14@agluck-desktop.sc.intel.com>
Date:	Tue, 29 May 2012 10:30:10 -0700
From:	"Luck, Tony" <tony.luck@...el.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: [PATCH] sched: Don't try allocating memory from offline nodes

From: Peter Zijlstra <a.p.zijlstra@...llo.nl>

Allocators don't appreciate it when you try and allocate memory from
offline nodes.

Reported-by: Tony Luck <tony.luck@...el.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@...llo.nl>
---

This patch has been sitting around since Friday.

 kernel/sched/core.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

Index: linux-2.6/kernel/sched/core.c
===================================================================
--- linux-2.6.orig/kernel/sched/core.c
+++ linux-2.6/kernel/sched/core.c
@@ -6449,7 +6449,7 @@ static void sched_init_numa(void)
 			return;
 
 		for (j = 0; j < nr_node_ids; j++) {
-			struct cpumask *mask = kzalloc_node(cpumask_size(), GFP_KERNEL, j);
+			struct cpumask *mask = kzalloc(cpumask_size(), GFP_KERNEL);
 			if (!mask)
 				return;
 


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