[patch 2/4] pcp: dynamic lists

[Nick Piggin <nickpiggin@yahoo.com.au>]

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2/4

-- 
SUSE Labs, Novell Inc.

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Index: linux-2.6/mm/page_alloc.c
===================================================================
--- linux-2.6.orig/mm/page_alloc.c	2005-04-09 22:35:44.000000000 +1000
+++ linux-2.6/mm/page_alloc.c	2005-04-09 22:43:58.000000000 +1000
@@ -70,7 +70,7 @@ struct zone *zone_table[1 << (ZONES_SHIF
 EXPORT_SYMBOL(zone_table);
 
 struct zone_pagesets {
-	struct per_cpu_pageset p[TOTAL_ZONES];
+	struct per_cpu_pageset *p[TOTAL_ZONES];
 };
 
 #define this_zone_pagesets()	(&__get_cpu_var(zone_pagesets))
@@ -80,7 +80,7 @@ struct zone_pagesets {
 	(NODEZONE((zone)->zone_pgdat->node_id, zone_idx(zone)))
 
 #define zone_pageset(zp, zone)		\
-	(&zp->p[zone_pagesets_idx(zone)])
+	(zp->p[zone_pagesets_idx(zone)])
 
 /*
  * List of pointers to per_cpu_pagesets for each zone.
@@ -1579,7 +1579,8 @@ void __init build_percpu_pagelists(void)
 				struct per_cpu_pages *pcp;
 			
 				zp = cpu_zone_pagesets(cpu);
-				pageset = &zp->p[NODEZONE(nid, j)];
+				pageset = alloc_bootmem_node(pgdat, sizeof(*pageset));
+				zp->p[NODEZONE(nid, j)] = pageset;
 
 				pcp = &pageset->pcp[0];	/* hot */
 				pcp->count = 0;