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 <[email protected]>
Acked-by: Nishanth Aravamudan <[email protected]>
Acked-by: Lee Schermerhorn <[email protected]>
Acked-by: Bob Picco <[email protected]>
Cc: KAMEZAWA Hiroyuki <[email protected]>
Cc: Mel Gorman <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

diff --git a/kernel/profile.c b/kernel/profile.c
index cb1e37d2dac3d4f3cbd2c1102174f6d7a758c5a6..6f69bf792d964b7e262f7f5c066375d8fdeb8c77 100644 (file)
--- 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;