Re: [PATCH/for-next v4 3/4] cgroup/cpuset: Call housekeeping_update() without holding cpus_read_lock

[Chen Ridong]

On 2026/2/10 4:20, Waiman Long wrote:
> On 2/9/26 2:23 AM, Chen Ridong wrote:
>>
>> On 2026/2/7 4:37, Waiman Long wrote:
>>> +static cpumask_var_t    isolated_hk_cpus;    /* T */
>> Can we get this from isolation.c instead?
>>
>> The name probably shouldn't include 'hk', since it refers to the inverse
>> (housekeeping CPUs) of isolated CPUs, right?
> 
> The housekeeping_update() will create an inverse of the pass-in isolated
> cpumasks. As for the name, I add hk to indicate this cpumask is for passing to
> housekeeping_update() to update housekeeping cpumask. It is not directly 
> related
> to the cpumasks in sched/isolation.c. Please let me know if you have  a
> suggestion for the name.
> 

I understand the intent. However, when reading both cpuset.c and
sched/isolation.c, it can be confusing whether isolated_hk_cpus is an inverse
mask, since in sched/isolation.c “hk” consistently refers to the inverse.

How about isolated_cpus_applied?

-- 
Best regards,
Ridong