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Message-ID: <490EB3D7.6060605@cn.fujitsu.com> Date: Mon, 03 Nov 2008 16:18:31 +0800 From: Li Zefan <lizf@...fujitsu.com> To: Andrew Morton <akpm@...ux-foundation.org> CC: LKML <linux-kernel@...r.kernel.org> Subject: [PATCH] update 'isolcpus' kernel option cpuset can be used to move a process onto or off an isolated CPU. Signed-off-by: Li Zefan <lizf@...fujitsu.com> --- Documentation/kernel-parameters.txt | 8 +++++--- 1 files changed, 5 insertions(+), 3 deletions(-) diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 1bbcaa8..8a8cb0c 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 Format: <cpu number>,...,<cpu number> or - <cpu number>-<cpu number> (must be a positive range in ascending order) + <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 - an "isolated" CPU is via the CPU affinity syscalls. + algorithms. You can move a process onto or off an + "isolated" CPU via the CPU affinity syscalls or cpuset. <cpu number> begins at 0 and the maximum value is "number of CPUs in system - 1". -- 1.5.4.rc3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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