From: Jack Steiner <steiner@sgi.com>
To: linux-ia64@vger.kernel.org
Subject: [PATCH] - Zonelists for nodes without cpus
Date: Tue, 17 Jan 2006 21:42:46 +0000 [thread overview]
Message-ID: <20060117214246.GA15872@sgi.com> (raw)
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>
Index: linux/include/asm-ia64/topology.h
=================================--- linux.orig/include/asm-ia64/topology.h 2006-01-17 14:27:48.473073976 -0600
+++ linux/include/asm-ia64/topology.h 2006-01-17 14:28:12.070373036 -0600
@@ -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'
*/
reply other threads:[~2006-01-17 21:42 UTC|newest]
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