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authorLi Zefan <lizf@cn.fujitsu.com>2008-11-06 15:53:39 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2008-11-06 18:41:19 -0500
commitb225d44e27521290faca2e0f9b1a4a8c74dc510a (patch)
tree1a1447784e5e8b89352b02a14e408d78e859a8dd
parenta684e7d33096892093456dd56a582cfc3bfad648 (diff)
Documentation/kernel-parameters.txt: update 'isolcpus' kernel option
cpuset can be used to move a process onto or off an isolated CPU. Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--Documentation/kernel-parameters.txt8
1 files changed, 5 insertions, 3 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 1bbcaa8982b6..8a8cb0ccc5f4 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -995,13 +995,15 @@ and is between 256 and 4096 characters. It is defined in the file
995 Format: 995 Format:
996 <cpu number>,...,<cpu number> 996 <cpu number>,...,<cpu number>
997 or 997 or
998 <cpu number>-<cpu number> (must be a positive range in ascending order) 998 <cpu number>-<cpu number>
999 (must be a positive range in ascending order)
999 or a mixture 1000 or a mixture
1000 <cpu number>,...,<cpu number>-<cpu number> 1001 <cpu number>,...,<cpu number>-<cpu number>
1002
1001 This option can be used to specify one or more CPUs 1003 This option can be used to specify one or more CPUs
1002 to isolate from the general SMP balancing and scheduling 1004 to isolate from the general SMP balancing and scheduling
1003 algorithms. The only way to move a process onto or off 1005 algorithms. You can move a process onto or off an
1004 an "isolated" CPU is via the CPU affinity syscalls. 1006 "isolated" CPU via the CPU affinity syscalls or cpuset.
1005 <cpu number> begins at 0 and the maximum value is 1007 <cpu number> begins at 0 and the maximum value is
1006 "number of CPUs in system - 1". 1008 "number of CPUs in system - 1".
1007 1009