On Fri, Oct 11, 2013 at 05:51:54PM +0800, Li Zefan wrote:
> As the configured masks won't be limited by its parent, and the top
> cpuset's masks won't change when hotplug happens, it's natural to
> allow writing offlined masks to the configured masks.
>
> Signed-off-by; Li Zefan <[email protected]>
> ---
> kernel/cpuset.c | 7 ++++---
> 1 file changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/kernel/cpuset.c b/kernel/cpuset.c
> index e71c04f..a98723d 100644
> --- a/kernel/cpuset.c
> +++ b/kernel/cpuset.c
> @@ -960,7 +960,8 @@ static int update_cpumask(struct cpuset *cs, struct
> cpuset *trialcs,
> if (retval < 0)
> return retval;
>
> - if (!cpumask_subset(trialcs->cpus_allowed, cpu_active_mask))
> + if (!cpumask_subset(trialcs->cpus_allowed,
> + top_cpuset.cpus_allowed))
Shouldn't this gated by sane_behavior?
>
> @@ -1238,8 +1239,8 @@ static int update_nodemask(struct cpuset *cs, struct
> cpuset *trialcs,
> goto done;
>
> if (!nodes_subset(trialcs->mems_allowed,
> - node_states[N_MEMORY])) {
> - retval = -EINVAL;
> + top_cpuset.mems_allowed)) {
> + retval = -EINVAL;
Ditto.
Thanks.
--
tejun
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