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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>
This commit is contained in:
Christoph Lameter 2007-10-16 01:25:34 -07:00 committed by Linus Torvalds
parent 2dca53a9da
commit 4199cfa02b
1 changed files with 2 additions and 2 deletions
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4
kernel/profile.c
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@ -346,7 +346,7 @@ static int __devinit profile_cpu_callback(struct notifier_block *info,
per_cpu(cpu_profile_flip, cpu) = 0;
if (!per_cpu(cpu_profile_hits, cpu)[1]) {
page = alloc_pages_node(node,
GFP_KERNEL | __GFP_ZERO | GFP_THISNODE,
GFP_KERNEL | __GFP_ZERO,
0);
if (!page)
return NOTIFY_BAD;
@ -354,7 +354,7 @@ static int __devinit profile_cpu_callback(struct notifier_block *info,
}
if (!per_cpu(cpu_profile_hits, cpu)[0]) {
page = alloc_pages_node(node,
GFP_KERNEL | __GFP_ZERO | GFP_THISNODE,
GFP_KERNEL | __GFP_ZERO,
0);
if (!page)
goto out_free;