fix NUMA compile with large cpumasks

PATCH New Anton Blanchard 1 participant 1 message Mar 13, 2004

Subsystems (2)

Memory management Page allocator

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Anton Blanchard

author

2004-03-13 10:24 UTC #0 lore raw

PATCH 1/1 fix NUMA compile with large cpumasks

Hi,

The recent NUMA changes fail to compile with large cpumasks, we need to use a temporary to get around the type checking.

Anton

---

 gr26_work-anton/mm/page_alloc.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletion(-)

mm/page_alloc.c renamed from mm/page_alloc.c~numacompile +4 -1

diff -puN mm/page_alloc.c~numacompile mm/page_alloc.c
@@ -1155,6 +1155,8 @@ static int __init find_next_best_node(in
 	int best_node = -1;
 
 	for (i = 0; i < numnodes; i++) {
+		cpumask_t tmp;
+
 		/* Start from local node */
 		n = (node+i)%numnodes;

@@ -1166,7 +1168,8 @@ static int __init find_next_best_node(in
 		val = node_distance(node, n);
 
 		/* Give preference to headless and unused nodes */
-		if (!cpus_empty(node_to_cpumask(n)))
+		tmp = node_to_cpumask(n);
+		if (!cpus_empty(tmp))
 			val += PENALTY_FOR_NODE_WITH_CPUS;
 
 		/* Slight preference for less loaded node */