From: Jack Steiner <steiner@sgi.com>
Date: Tue, 17 Jan 2006 21:42:46 +0000 (-0600)
Subject: [IA64] Zonelists for nodes without cpus
X-Git-Tag: firefly_0821_release~38624^2~4
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=8d08aed8d7714683b33666cc066e20f957dda01d;p=firefly-linux-kernel-4.4.55.git

[IA64] Zonelists for nodes without cpus

If a node runs out of memory, ensure that memory on nodes w/o cpus is used
before using memory on nodes with cpus.

Signed-off-by: Jack Steiner <steiner@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---

diff --git a/include/asm-ia64/topology.h b/include/asm-ia64/topology.h
index d8aae4da3978..412ef8e493a8 100644
--- a/include/asm-ia64/topology.h
+++ b/include/asm-ia64/topology.h
@@ -18,6 +18,10 @@
 #include <asm/smp.h>
 
 #ifdef CONFIG_NUMA
+
+/* Nodes w/o CPUs are preferred for memory allocations, see build_zonelists */
+#define PENALTY_FOR_NODE_WITH_CPUS 255
+
 /*
  * Returns the number of the node containing CPU 'cpu'
  */