[PATCH] fix NUMA compile with large cpumasks

From: Anton Blanchard (anton_at_samba.org)
Date: 03/13/04

  • Next message: Neil Brown: "Re: 2.6.4-mm1" 
    Date:	Sat, 13 Mar 2004 21:23:04 +1100
To: torvalds@osdl.org

    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(-)
diff -puN mm/page_alloc.c~numacompile mm/page_alloc.c
--- gr26_work/mm/page_alloc.c~numacompile	2004-03-13 02:27:10.474086886 -0600
+++ gr26_work-anton/mm/page_alloc.c	2004-03-13 02:28:15.514771414 -0600
@@ -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 */
_
-
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  • Next message: Neil Brown: "Re: 2.6.4-mm1"