From: Gregory Price <gourry@gourry.net>
To: "David Hildenbrand (Arm)" <david@kernel.org>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
kernel-team@meta.com, akpm@linux-foundation.org, ljs@kernel.org,
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shy828301@gmail.com, raghavendra.kt@amd.com,
stable@vger.kernel.org
Subject: Re: [PATCH v3 2/7] mm: allow shared folios to be promoted to a fast tier
Date: Thu, 24 Sep 2026 11:37:26 -0400 [thread overview]
Message-ID: <arVDeAId7Hb-2RvD@gourry-fedora-PF4VCD3F> (raw)
In-Reply-To: <e7f48cc6-be21-4ab1-91a0-df0e3a6ec0b5@kernel.org>
On Thu, Sep 24, 2026 at 05:32:22PM +0200, David Hildenbrand (Arm) wrote:
> On 9/24/26 16:07, Gregory Price wrote:
> > On Thu, Sep 24, 2026 at 01:59:15PM +0200, David Hildenbrand (Arm) wrote:
> >> I wonder if a better name would just make the comment above (about memory
> >> tiering) implicit and make more sense of the sysctl_numa_balancing_mode &
> >> NUMA_BALANCING_MEMORY_TIERING) check.
> >>
> >> folio_promotable()
> >>
> >> folio_is_promotable()
> >>
> >> folio_numa_promotable()
> >>
> >> etc.
> >>
> >> because that seems to be what we really test with both things combined.
> >>
> >
> > maybe: folio_numab_promotable() ?
>
> Works for me if "numab" means numa balancing :)
>
Sounds good, i'll let this rest for a bit before spinning a v4. I think
the rest is pretty solid, but there's one other sashiko thing i need to
think about whether it's real or not.
~Gregory
next prev parent reply other threads:[~2026-09-24 15:37 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-22 18:29 [PATCH v3 0/7] sched/numa: stop VMA scan filters from gating promotion Gregory Price
2026-09-22 18:29 ` [PATCH v3 1/7] mm: support promotion-only NUMA hinting scans Gregory Price
2026-09-24 11:45 ` David Hildenbrand (Arm)
2026-09-24 14:08 ` Gregory Price
2026-09-22 18:29 ` [PATCH v3 2/7] mm: allow shared folios to be promoted to a fast tier Gregory Price
2026-09-24 11:59 ` David Hildenbrand (Arm)
2026-09-24 14:07 ` Gregory Price
2026-09-24 15:32 ` David Hildenbrand (Arm)
2026-09-24 15:37 ` Gregory Price [this message]
2026-09-24 15:42 ` Zi Yan
2026-09-22 18:29 ` [PATCH v3 3/7] sched/numa: scan read-only file mappings in tiering mode Gregory Price
2026-09-24 20:53 ` David Hildenbrand (Arm)
2026-09-25 0:35 ` Gregory Price
2026-09-25 10:04 ` David Hildenbrand (Arm)
2026-09-22 18:29 ` [PATCH v3 4/7] sched/numa: separate VMA placement from scan continuation Gregory Price
2026-09-25 10:53 ` David Hildenbrand (Arm)
2026-09-22 18:29 ` [PATCH v3 5/7] sched/numa: scan PID-inactive VMAs for promotion Gregory Price
2026-09-25 10:55 ` David Hildenbrand (Arm)
2026-09-22 18:29 ` [PATCH v3 6/7] mm: use BIT() for change_protection() flags Gregory Price
2026-09-24 20:38 ` David Hildenbrand (Arm)
2026-09-22 18:29 ` [PATCH v3 7/7] mm: use VMA flag helpers in NUMA balancing Gregory Price
2026-09-24 20:39 ` David Hildenbrand (Arm)
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