Memoryless nodes: Allow profiling data to fall back to other nodes
Processors on memoryless nodes must be able to fall back to remote nodes in order to get a profiling buffer. This may lead to excessive NUMA traffic but I think we should allow this rather than failing. Signed-off-by: Christoph Lameter <clameter@sgi.com> Acked-by: Nishanth Aravamudan <nacc@us.ibm.com> Acked-by: Lee Schermerhorn <lee.schermerhorn@hp.com> Acked-by: Bob Picco <bob.picco@hp.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Mel Gorman <mel@skynet.ie> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -346,7 +346,7 @@ static int __devinit profile_cpu_callback(struct notifier_block *info,
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per_cpu(cpu_profile_flip, cpu) = 0;
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if (!per_cpu(cpu_profile_hits, cpu)[1]) {
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page = alloc_pages_node(node,
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GFP_KERNEL | __GFP_ZERO | GFP_THISNODE,
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GFP_KERNEL | __GFP_ZERO,
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0);
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if (!page)
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return NOTIFY_BAD;
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@ -354,7 +354,7 @@ static int __devinit profile_cpu_callback(struct notifier_block *info,
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}
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if (!per_cpu(cpu_profile_hits, cpu)[0]) {
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page = alloc_pages_node(node,
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GFP_KERNEL | __GFP_ZERO | GFP_THISNODE,
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GFP_KERNEL | __GFP_ZERO,
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0);
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if (!page)
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goto out_free;
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