The patch titled Documentation/kernel-parameters.txt: update 'isolcpus' kernel option has been added to the -mm tree. Its filename is documentation-kernel-parameterstxt-update-isolcpus-kernel-option.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find out what to do about this The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/ ------------------------------------------------------ Subject: Documentation/kernel-parameters.txt: update 'isolcpus' kernel option From: Li Zefan <lizf@xxxxxxxxxxxxxx> cpuset can be used to move a process onto or off an isolated CPU. Signed-off-by: Li Zefan <lizf@xxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- Documentation/kernel-parameters.txt | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff -puN Documentation/kernel-parameters.txt~documentation-kernel-parameterstxt-update-isolcpus-kernel-option Documentation/kernel-parameters.txt --- a/Documentation/kernel-parameters.txt~documentation-kernel-parameterstxt-update-isolcpus-kernel-option +++ a/Documentation/kernel-parameters.txt @@ -995,13 +995,15 @@ and is between 256 and 4096 characters. 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". _ Patches currently in -mm which might be from lizf@xxxxxxxxxxxxxx are cgroups-fix-invalid-cgrp-dentry-before-cgroup-has-been-completely-removed.patch documentation-kernel-parameterstxt-update-isolcpus-kernel-option.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html