Re: [PATCH v9 0/3] Enhance sysfs handling for memory hotplug in weighted interleave

[Dan Williams]

Andrew Morton wrote:
> On Thu, 17 Apr 2025 17:10:08 +0900 Rakie Kim <rakie.kim@xxxxxx> wrote:
> 
> > I sincerely apologize for causing repeated inconvenience. The series of
> > patches version v8 that was merged into -mm, mm-new today needs
> > additional corrections.
> > Link: https://lore.kernel.org/all/6800742de6315_130fd2949c@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx.notmuch/
> > Therefore, I have updated a new version v9, in which the problems have
> > been addressed.
> 
> No probs, this is why mm.git workflow (mm-new -> mm-unstable ->
> mm-stable -> mainline) operates as it does - to easily permit revisions
> and replacements as patches move towards their final state.
> 
> Please note that I added a cc:stable to your [1/N] patch - sysfs leaks
> should be fixed in earlier kernels.  I considered this to be low
> priority - if it's higher priority than this patch should best have
> been separated from the series, so it can take a different merge path
> from the other patches.  

The risk of leak is low because it only appears to trigger if setup
fails. Setup only fails due to -ENOMEM which is unlikely to happen from
a late_initcall() when memory pressure is low.