From: "Harry Yoo (Oracle)" <harry@kernel.org>
To: "Vlastimil Babka (SUSE)" <vbabka@kernel.org>
Cc: Hao Li <hao.li@linux.dev>,
akpm@linux-foundation.org, cl@gentwo.org, rientjes@google.com,
roman.gushchin@linux.dev, linux-mm@kvack.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] slub: use N_NORMAL_MEMORY in can_free_to_pcs to handle remote frees
Date: Mon, 6 Apr 2026 10:57:23 +0900 [thread overview]
Message-ID: <adMTAxEuUVlc-dhv@hyeyoo> (raw)
In-Reply-To: <6c90c152-3341-4a46-bffa-3cfaca66fdd1@kernel.org>
On Fri, Apr 03, 2026 at 08:14:11PM +0200, Vlastimil Babka (SUSE) wrote:
> On 4/3/26 14:02, Harry Yoo (Oracle) wrote:
> > On Fri, Apr 03, 2026 at 03:37:36PM +0800, Hao Li wrote:
> >> Memory hotplug now keeps N_NORMAL_MEMORY up to date correctly, so make
> >> can_free_to_pcs() use it.
> >>
> >> As a result, when freeing objects on memoryless nodes, or on nodes that
> >> have memory but only in ZONE_MOVABLE, the objects can be freed to the
> >> sheaf instead of going through the slow path.
> >>
> >> Signed-off-by: Hao Li <hao.li@linux.dev>
> >> ---
> >
> > Acked-by: Harry Yoo (Oracle) <harry@kernel.org>
> >
> >> Hi Vlastimil, this patch depends on a prerequisite patch[1] from a few days
> >> ago. I'm not sure how this should be handled.
> >
> >> I wonder if Andrew might put them in the same tree.
>
> > But it also depends on the patch series
> > "[PATCH 0/3] slab: support memoryless nodes with sheaves".
> >
> > So perhaps better send it to Linus after 7.1-rc1?
>
> [1] is in mm-hotfixes so it should get to mainline before 7.0 final,
Right.
> so then it's fine to add this to slab updates PR for 7.1-rc1
Sounds great!
> >> [1] https://lore.kernel.org/linux-mm/20260330035941.518186-1-hao.li@linux.dev/
> >
--
Cheers,
Harry / Hyeonggon
next prev parent reply other threads:[~2026-04-06 1:57 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-03 7:37 [PATCH] slub: use N_NORMAL_MEMORY in can_free_to_pcs to handle remote frees Hao Li
2026-04-03 12:02 ` Harry Yoo (Oracle)
2026-04-03 18:14 ` Vlastimil Babka (SUSE)
2026-04-04 4:05 ` Hao Li
2026-04-06 1:57 ` Harry Yoo (Oracle) [this message]
2026-04-03 18:02 ` David Rientjes
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