Re: [PATCH] fs: push nr_cached_objects memcg gating into individual filesystems
Shakeel Butt <[email protected]>
| Newsgroups | org.kernel.vger.linux-btrfs,org.kernel.vger.linux-fsdevel,org.kernel.vger.linux-kernel,org.kernel.vger.linux-xfs,org.kvack.linux-mm |
|---|---|
| Message-ID | <[email protected]> |
On Wed, Jul 15, 2026 at 08:22:36AM +1000, Dave Chinner wrote:
> On Tue, Jul 14, 2026 at 03:14:54AM -0700, Usama Arif wrote:
> > Commit 0baad6f9b997 ("fs/super: skip non-memcg-aware nr_cached_objects
> > in memcg slab shrink") added a check in fs/super.c that skips the
> > ->nr_cached_objects() hook whenever the shrinker is invoked for a
> > non-root memcg, because none of the current implementations (btrfs,
> > xfs, shmem huge) honour sc->memcg.
>
> I don't see that commit in an upstream tree. I'm guessing I wasn't
> cc'd on it, either, because I don't recall seeing that as a patch,
> either.
https://lore.kernel.org/all/[email protected]/