Re: [PATCH v2 2/2] mm, slab: Show last shrink time in us when slab/shrink is read

[Waiman Long]

On 7/18/19 10:36 AM, Waiman Long wrote:
>>> CONFIG_SLUB_DEBUG depends on CONFIG_SYSFS. So the new shrink_us field
>>> is always available to the shrink methods.
>> Aside from minimal systems without CONFIG_SYSFS... Does this build without
>> CONFIG_SYSFS?
> The sysfs code in mm/slub.c is guarded by CONFIG_SLUB_DEBUG which, in
> turn, depends on CONFIG_SYSFS. So if CONFIG_SYSFS is off, the shrink
> sysfs methods will be off as well. I haven't tried doing a minimal
> build. I will certainly try that, but I don't expect any problem here.

I have tried a tiny config with slub. There was no compilation problem.

-Longman