diff options
Diffstat (limited to 'arch/x86/mm/numa.c')
| -rw-r--r-- | arch/x86/mm/numa.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c index 496f494593bf..19d3fa08b119 100644 --- a/arch/x86/mm/numa.c +++ b/arch/x86/mm/numa.c @@ -110,7 +110,7 @@ void __cpuinit numa_clear_node(int cpu) * Allocate node_to_cpumask_map based on number of available nodes * Requires node_possible_map to be valid. * - * Note: node_to_cpumask() is not valid until after this is done. + * Note: cpumask_of_node() is not valid until after this is done. * (Use CONFIG_DEBUG_PER_CPU_MAPS to check this.) */ void __init setup_node_to_cpumask_map(void) @@ -422,8 +422,9 @@ static int __init numa_alloc_distance(void) * calls are ignored until the distance table is reset with * numa_reset_distance(). * - * If @from or @to is higher than the highest known node at the time of - * table creation or @distance doesn't make sense, the call is ignored. + * If @from or @to is higher than the highest known node or lower than zero + * at the time of table creation or @distance doesn't make sense, the call + * is ignored. * This is to allow simplification of specific NUMA config implementations. */ void __init numa_set_distance(int from, int to, int distance) @@ -431,8 +432,9 @@ void __init numa_set_distance(int from, int to, int distance) if (!numa_distance && numa_alloc_distance() < 0) return; - if (from >= numa_distance_cnt || to >= numa_distance_cnt) { - printk_once(KERN_DEBUG "NUMA: Debug: distance out of bound, from=%d to=%d distance=%d\n", + if (from >= numa_distance_cnt || to >= numa_distance_cnt || + from < 0 || to < 0) { + pr_warn_once("NUMA: Warning: node ids are out of bound, from=%d to=%d distance=%d\n", from, to, distance); return; } |