[patch] sched, numa: Allocate node_queue on any node for offline nodes
David Rientjes
rientjes at google.com
Wed May 23 14:17:56 EST 2012
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 at canb.auug.org.au>
Signed-off-by: David Rientjes <rientjes at google.com>
---
kernel/sched/numa.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/kernel/sched/numa.c b/kernel/sched/numa.c
--- 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);
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