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From: Andrew Morton <akpm@linux-foundation.org>
To: Muchun Song <songmuchun@bytedance.com>
Cc: David Hildenbrand <david@kernel.org>,
	Oscar Salvador <osalvador@suse.de>,
	Madhavan Srinivasan <maddy@linux.ibm.com>,
	Michael Ellerman <mpe@ellerman.id.au>,
	Jonathan Corbet <corbet@lwn.net>,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	linuxppc-dev@lists.ozlabs.org, linux-doc@vger.kernel.org,
	Muchun Song <muchun.song@linux.dev>,
	Lorenzo Stoakes <ljs@kernel.org>, Mike Rapoport <rppt@kernel.org>,
	Qi Zheng <qi.zheng@linux.dev>,
	Nicholas Piggin <npiggin@gmail.com>,
	Christophe Leroy <chleroy@kernel.org>,
	Randy Dunlap <rdunlap@infradead.org>
Subject: Re: [PATCH v2 00/11] mm: Switch device DAX to section-based vmemmap optimization
Date: Tue, 8 Sep 2026 18:45:16 -0700	[thread overview]
Message-ID: <20260908184516.c026438445ff3db78ee120fa@linux-foundation.org> (raw)
In-Reply-To: <20260908030335.96549-1-songmuchun@bytedance.com>

On Tue,  8 Sep 2026 11:03:24 +0800 Muchun Song <songmuchun@bytedance.com> wrote:

> This series is split out from the earlier, larger series "mm: Generalize
> HVO for HugeTLB and device DAX" [1]. While the parent series generalizes
> vmemmap optimization across HugeTLB and device DAX, this subset addresses
> a single, self-contained step: switching device DAX to the section-based
> sparse-vmemmap optimization infrastructure introduced for HugeTLB.
> 
> ...
> 
> This is intended to be the third smaller step toward the broader HVO
> generalization. The wider HVO consolidation between HugeTLB and device
> DAX is left for follow-up series.

Thanks both, I'll add it to mm.git's mm-new branch.

  parent reply	other threads:[~2026-09-09  1:45 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-08  3:03 [PATCH v2 00/11] mm: Switch device DAX to section-based vmemmap optimization Muchun Song
2026-09-08  3:03 ` [PATCH v2 01/11] mm/sparse-vmemmap: introduce CONFIG_SPARSEMEM_VMEMMAP_OPTIMIZATION Muchun Song
2026-09-08  3:03 ` [PATCH v2 02/11] mm/sparse-vmemmap: factor out shared vmemmap tail page allocation Muchun Song
2026-09-08  3:03 ` [PATCH v2 03/11] mm/sparse-vmemmap: open-code init_compound_tail() Muchun Song
2026-09-10  7:50   ` David Hildenbrand (Arm)
2026-09-08  3:03 ` [PATCH v2 04/11] mm/sparse-vmemmap: prepare DAX vmemmap population for section orders Muchun Song
2026-09-08  3:03 ` [PATCH v2 05/11] mm/sparse-vmemmap: set section order for device DAX Muchun Song
2026-09-08  3:03 ` [PATCH v2 06/11] mm/sparse-vmemmap: switch device DAX to shared tail vmemmap pages Muchun Song
2026-09-08  4:09   ` Muchun Song
2026-09-08  7:46   ` Qi Zheng
2026-09-08  8:34     ` Muchun Song
2026-09-08  3:03 ` [PATCH v2 07/11] mm/sparse-vmemmap: move HVO helpers to a public header Muchun Song
2026-09-08  8:19   ` Qi Zheng
2026-09-08  3:03 ` [PATCH v2 08/11] powerpc/mm: switch device DAX to shared tail vmemmap pages Muchun Song
2026-09-08  3:03 ` [PATCH v2 09/11] mm/sparse-vmemmap: drop the extra tail page from device DAX reservation Muchun Song
2026-09-08  9:09   ` Qi Zheng
2026-09-08  9:12     ` Muchun Song
2026-09-08  3:03 ` [PATCH v2 10/11] mm/sparse-vmemmap: drop unused section_nr_vmemmap_pages() arguments Muchun Song
2026-09-08  9:23   ` Qi Zheng
2026-09-08  3:03 ` [PATCH v2 11/11] Documentation/mm: update DAX vmemmap deduplication docs Muchun Song
2026-09-08  9:29   ` Qi Zheng
2026-09-09  1:45 ` Andrew Morton [this message]
2026-09-10  6:48   ` [PATCH v2 00/11] mm: Switch device DAX to section-based vmemmap optimization Muchun Song

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