[tip:sched/numa] sched/numa: Allocate 'struct node_queue' on any node for offline nodes

[tip-bot for David Rientjes <rientjes@google.com>]

Commit-ID:  183e4c2d3fa57d1d72d60fb1f0c2a0870d681f8d
Gitweb:     http://git.kernel.org/tip/183e4c2d3fa57d1d72d60fb1f0c2a0870d681f8d
Author:     David Rientjes <rientjes@google.com>
AuthorDate: Tue, 22 May 2012 21:17:56 -0700
Committer:  Ingo Molnar <mingo@kernel.org>
CommitDate: Wed, 23 May 2012 16:08:45 +0200

sched/numa: Allocate 'struct node_queue' on any node for offline nodes

'struct node_queue' must be allocated with NUMA_NO_NODE for nodes
that are not (yet) online, otherwise the page allocator has a
bad zonelist and results in an early crash.

Tested-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: David Rientjes <rientjes@google.com>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: Lee Schermerhorn <lee.schermerhorn@hp.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/alpine.DEB.2.00.1205222116160.32649@chino.kir.corp.google.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
 kernel/sched/numa.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/kernel/sched/numa.c b/kernel/sched/numa.c
index 8eb92f7..fdf737d 100644
--- a/kernel/sched/numa.c
+++ b/kernel/sched/numa.c
@@ -885,7 +885,8 @@ static __init int numa_init(void)
 
 	for_each_node(node) {
 		struct node_queue *nq = kmalloc_node(sizeof(*nq),
-				GFP_KERNEL | __GFP_ZERO, node);
+				GFP_KERNEL | __GFP_ZERO,
+				node_online(node) ? node : NUMA_NO_NODE);
 		BUG_ON(!nq);
 
 		spin_lock_init(&nq->lock);