From: Muchun Song <muchun.song@linux.dev>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Muchun Song <songmuchun@bytedance.com>,
David Hildenbrand <david@kernel.org>,
Oscar Salvador <osalvador@suse.de>,
Michael Ellerman <mpe@ellerman.id.au>,
Madhavan Srinivasan <maddy@linux.ibm.com>,
Lorenzo Stoakes <ljs@kernel.org>,
Liam R Howlett <Liam.Howlett@oracle.com>,
Vlastimil Babka <vbabka@kernel.org>,
Mike Rapoport <rppt@kernel.org>,
Suren Baghdasaryan <surenb@google.com>,
Michal Hocko <mhocko@suse.com>,
Nicholas Piggin <npiggin@gmail.com>,
Christophe Leroy <chleroy@kernel.org>,
aneesh.kumar@linux.ibm.com, joao.m.martins@oracle.com,
linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v7 0/6] mm: Fix vmemmap optimization accounting and initialization
Date: Mon, 27 Apr 2026 09:50:18 +0800 [thread overview]
Message-ID: <C8490179-1774-4051-B4D1-46F97841317B@linux.dev> (raw)
In-Reply-To: <20260426125422.f9fa79ec47db2e552d75e29b@linux-foundation.org>
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> On Apr 27, 2026, at 03:54, Andrew Morton <akpm@linux-foundation.org> wrote:
>
> On Sun, 26 Apr 2026 17:26:34 +0800 Muchun Song <songmuchun@bytedance.com> wrote:
>
>> The series fixes several bugs in vmemmap optimization, mainly around
>> incorrect page accounting and memmap initialization in DAX and memory
>> hotplug paths. It also fixes pageblock migratetype initialization and
>> struct page initialization for ZONE_DEVICE compound pages.
>
> Thanks. I'm assuming that none of this is urgent, so there's no need
> to fast-track any of these fixes into 7.1-rcX?
Not urgent.
>
> So the cc:stable patches will be offered to -stable maintainers after
> 7.2-rc1 is released?
No problem.
>
> Sashiko might have found another bug in there btw
> https://sashiko.dev/#/patchset/20260426092640.375967-1-songmuchun@bytedance.com
I see. it’s a real issue, but not introduced by this series.
I’ve sent a separate series to fix this issue.
See https://lore.kernel.org/linux-mm/20260426144447.817722-1-songmuchun@bytedance.com/
Thanks.
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prev parent reply other threads:[~2026-04-27 1:51 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-26 9:26 [PATCH v7 0/6] mm: Fix vmemmap optimization accounting and initialization Muchun Song
2026-04-26 9:26 ` [PATCH v7 1/6] mm/sparse-vmemmap: Fix vmemmap accounting underflow Muchun Song
2026-04-26 9:26 ` [PATCH v7 2/6] mm/memory_hotplug: Fix incorrect altmap passing in error path Muchun Song
2026-04-26 9:26 ` [PATCH v7 3/6] mm/sparse-vmemmap: Pass @pgmap argument to memory deactivation paths Muchun Song
2026-04-26 9:26 ` [PATCH v7 4/6] mm/sparse-vmemmap: Fix DAX vmemmap accounting with optimization Muchun Song
2026-04-27 10:17 ` David Hildenbrand (Arm)
2026-04-26 9:26 ` [PATCH v7 5/6] mm/mm_init: Fix pageblock migratetype for ZONE_DEVICE compound pages Muchun Song
2026-04-26 9:26 ` [PATCH v7 6/6] mm/mm_init: Fix uninitialized struct pages for ZONE_DEVICE Muchun Song
2026-04-26 19:54 ` [PATCH v7 0/6] mm: Fix vmemmap optimization accounting and initialization Andrew Morton
2026-04-27 1:50 ` Muchun Song [this message]
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