smp_affinity holds bitmask and smp_affinity_list holds list. So we should write a list to smp_affinity_list, instead of smp_affinity. Signed-off-by: Hu Tao <hutao@xxxxxxxxxxxxxx> --- Documentation/IRQ-affinity.txt | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/Documentation/IRQ-affinity.txt b/Documentation/IRQ-affinity.txt index 7890fae..01a6751 100644 --- a/Documentation/IRQ-affinity.txt +++ b/Documentation/IRQ-affinity.txt @@ -57,8 +57,8 @@ i.e counters for the CPU0-3 did not change. Here is an example of limiting that same irq (44) to cpus 1024 to 1031: -[root@moon 44]# echo 1024-1031 > smp_affinity -[root@moon 44]# cat smp_affinity +[root@moon 44]# echo 1024-1031 > smp_affinity_list +[root@moon 44]# cat smp_affinity_list 1024-1031 Note that to do this with a bitmask would require 32 bitmasks of zero -- 1.8.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html