[tip:sched/urgent] sched: Don't try allocating memory from offline nodes

From: tip-bot for Peter Zijlstra
Date: Wed May 30 2012 - 10:25:37 EST


Commit-ID: 2ea45800d8e1c3c51c45a233d6bd6289a297a386
Gitweb: http://git.kernel.org/tip/2ea45800d8e1c3c51c45a233d6bd6289a297a386
Author: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
AuthorDate: Fri, 25 May 2012 09:26:43 +0200
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Wed, 30 May 2012 14:02:23 +0200

sched: Don't try allocating memory from offline nodes

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

Reported-and-tested-by: Tony Luck <tony.luck@xxxxxxxxx>
Reported-and-tested-by: Anton Blanchard <anton@xxxxxxxxx>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Link: http://lkml.kernel.org/n/tip-epfc1io9whb7o22bcujf31vn@xxxxxxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
kernel/sched/core.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 75844a8..5573361 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -6436,7 +6436,7 @@ 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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