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-rw-r--r--arch/ia64/include/asm/topology.h3
-rw-r--r--arch/powerpc/include/asm/topology.h8
2 files changed, 4 insertions, 7 deletions
diff --git a/arch/ia64/include/asm/topology.h b/arch/ia64/include/asm/topology.h
index 3202aa7..6437ca2 100644
--- a/arch/ia64/include/asm/topology.h
+++ b/arch/ia64/include/asm/topology.h
@@ -21,7 +21,8 @@
#define PENALTY_FOR_NODE_WITH_CPUS 255
/*
- * Distance above which we begin to use zone reclaim
+ * Nodes within this distance are eligible for reclaim by zone_reclaim() when
+ * zone_reclaim_mode is enabled.
*/
#define RECLAIM_DISTANCE 15
diff --git a/arch/powerpc/include/asm/topology.h b/arch/powerpc/include/asm/topology.h
index c920215..6c8a8c5 100644
--- a/arch/powerpc/include/asm/topology.h
+++ b/arch/powerpc/include/asm/topology.h
@@ -9,12 +9,8 @@ struct device_node;
#ifdef CONFIG_NUMA
/*
- * Before going off node we want the VM to try and reclaim from the local
- * node. It does this if the remote distance is larger than RECLAIM_DISTANCE.
- * With the default REMOTE_DISTANCE of 20 and the default RECLAIM_DISTANCE of
- * 20, we never reclaim and go off node straight away.
- *
- * To fix this we choose a smaller value of RECLAIM_DISTANCE.
+ * If zone_reclaim_mode is enabled, a RECLAIM_DISTANCE of 10 will mean that
+ * all zones on all nodes will be eligible for zone_reclaim().
*/
#define RECLAIM_DISTANCE 10