From: Christoph Lameter <clameter@sgi.com>
Date: Tue, 16 Oct 2007 08:25:34 +0000 (-0700)
Subject: Memoryless nodes: Allow profiling data to fall back to other nodes
X-Git-Tag: v2.6.24-rc1~1155
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4199cfa02b982f4c739e8a6a304d6a40e1935d25;p=linux-2.6

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>
---

diff --git a/kernel/profile.c b/kernel/profile.c
index cb1e37d2da..6f69bf792d 100644
--- a/kernel/profile.c
+++ b/kernel/profile.c
@@ -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;