NUMA-Q: allocate pgdats from node-local memory

PATCH New William Lee Irwin III 1 participant 1 message Nov 12, 2002

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William Lee Irwin III

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2002-11-12 02:22 UTC #0 lore raw

PATCH 7/9 NUMA-Q: allocate pgdats from node-local memory

This changes allocate_pgdat() to hand back virtual addresses of pgdats from the start of node_remap_start_vaddr[nid].

 discontig.c |   12 ++++++------
 1 files changed, 6 insertions(+), 6 deletions(-)

arch/i386/mm/discontig.c +6 -6

diff -urpN 05_memmap_after/arch/i386/mm/discontig.c 06_alloc_virtual/arch/i386/mm/discontig.c
@@ -73,13 +73,13 @@ static void __init find_max_pfn_node(int
  */
 static void __init allocate_pgdat(int nid)
 {
-	unsigned long node_datasz;
-
-	node_datasz = PFN_UP(sizeof(struct pglist_data));
-	NODE_DATA(nid) = (pg_data_t *)(__va(min_low_pfn << PAGE_SHIFT));
-	min_low_pfn += node_datasz;
-	if (!nid)
+	if (nid)
+		NODE_DATA(nid) = (pg_data_t *)node_remap_start_vaddr[nid];
+	else {
+		NODE_DATA(nid) = (pg_data_t *)(__va(min_low_pfn << PAGE_SHIFT));
+		min_low_pfn += PFN_UP(sizeof(pg_data_t));
 		memset(NODE_DATA(nid), 0, sizeof(pg_data_t));
+	}
 }
 
 /*