From 37c0708dbee5825df3bd9ce6ef2199c6c1713970 Mon Sep 17 00:00:00 2001
From: Christoph Lameter <clameter@sgi.com>
Date: Tue, 16 Oct 2007 01:25:36 -0700
Subject: Memoryless nodes: Add N_CPU node state

We need the check for a node with cpu in zone reclaim.  Zone reclaim will not
allow remote zone reclaim if a node has a cpu.

[Lee.Schermerhorn@hp.com: Move setup of N_CPU node state mask]
Signed-off-by: Christoph Lameter <clameter@sgi.com>
Tested-by:  Lee Schermerhorn <lee.schermerhorn@hp.com>
Acked-by: Bob Picco <bob.picco@hp.com>
Cc: Nishanth Aravamudan <nacc@us.ibm.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Mel Gorman <mel@skynet.ie>
Signed-off-by: Lee Schermerhorn <lee.schermerhorn@hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/nodemask.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'include/linux/nodemask.h')

diff --git a/include/linux/nodemask.h b/include/linux/nodemask.h
index ccee962f3559..905e18f4b412 100644
--- a/include/linux/nodemask.h
+++ b/include/linux/nodemask.h
@@ -349,6 +349,7 @@ enum node_states {
 #else
 	N_HIGH_MEMORY = N_NORMAL_MEMORY,
 #endif
+	N_CPU,		/* The node has one or more cpus */
 	NR_NODE_STATES
 };
 
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