Re: [PATCH] cpuset: Treat cpusets in attaching as populated

[Greg KH <gregkh@linuxfoundation.org>]

On Mon, Jan 12, 2026 at 02:55:53PM +0800, Chen Ridong wrote:
> 
> 
> On 2026/1/12 14:42, Greg KH wrote:
> > On Mon, Jan 12, 2026 at 02:42:57AM +0000, Chen Ridong wrote:
> >> From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> > 
> > I did not send this :(
> > 
> >> 6.6-stable review patch.  If anyone has any objections, please let me know.
> > 
> > This is already in the 6.6.120 release.
> > 
> > thanks,
> > 
> > greg k-h
> 
> I am sorry for the confusion.
> 
> I downloaded and modified the patch, and replied.
> 
> My point is that the patch intended for the 6.6.120 release should include an adaptation.
> Specifically, the following block:
> 
> [...]
>  	if (!excluded_child && !cs->nr_subparts_cpus)
>  		return cgroup_is_populated(cs->css.cgroup);
> [...]
> 
> Should be corrected to:
> 
>  	if (!excluded_child && !cs->nr_subparts_cpus)
> -		return cgroup_is_populated(cs->css.cgroup);
> +		return cpuset_is_populated(cs);
> 

Great, can you send a fixup patch for this that we can apply to the next
release?

thanks,

greg k-h