[PATCH] get_options to allow a hypenated range for isolcpus

[deliverable/linux.git] / Documentation / kernel-parameters.txt

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 1e183bd33d71f3c578a4e2f52966af2b3eab41c4..8fe6b834ef2701a876141fc22d1ef9c9b157bf90 100644 (file)
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -714,7 +714,12 @@ and is between 256 and 4096 characters. It is defined in the file
                        Format: <RDP>,<reset>,<pci_scan>,<verbosity>
 
        isolcpus=       [KNL,SMP] Isolate CPUs from the general scheduler.
-                       Format: <cpu number>,...,<cpu number>
+                       Format:
+                       <cpu number>,...,<cpu number>
+                       or
+                       <cpu number>-<cpu number>  (must be a positive range in ascending order)
+                       or a mixture
+                       <cpu number>,...,<cpu number>-<cpu number>
                        This option can be used to specify one or more CPUs
                        to isolate from the general SMP balancing and scheduling
                        algorithms. The only way to move a process onto or off