[PATCH] Documentation: Correct result of echnoing 5 to smp_affinity

From: John Kacur
Date: Fri Jun 17 2016 - 09:05:39 EST


echo 5 > /proc/irq/10/smp_affinity

means only the first and third (not fourth) cpus can handle irqs
That is, cpu0 is the first cpu and cpu2 is the third cpu

Signed-off-by: John Kacur <jkacur@xxxxxxxxxx>
---
Documentation/filesystems/proc.txt | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt
index e8d00759bfa5..5b61eeae3f6e 100644
--- a/Documentation/filesystems/proc.txt
+++ b/Documentation/filesystems/proc.txt
@@ -725,7 +725,7 @@ IRQ, you can set it by doing:
> echo 1 > /proc/irq/10/smp_affinity

This means that only the first CPU will handle the IRQ, but you can also echo
-5 which means that only the first and fourth CPU can handle the IRQ.
+5 which means that only the first and third CPU can handle the IRQ.

The contents of each smp_affinity file is the same by default:

--
2.4.11