From: Andrew Morton <akpm@linux-foundation.org>
To: Mark Brown <broonie@kernel.org>
Cc: Claudiu Beznea <claudiu.beznea@tuxon.dev>,
Kefeng Wang <wangkefeng.wang@huawei.com>,
David Hildenbrand <david@redhat.com>,
Oscar Salvador <osalvador@suse.de>,
Muchun Song <muchun.song@linux.dev>,
linux-mm@kvack.org, sidhartha.kumar@oracle.com,
jane.chu@oracle.com, Zi Yan <ziy@nvidia.com>,
Vlastimil Babka <vbabka@suse.cz>,
Brendan Jackman <jackmanb@google.com>,
Johannes Weiner <hannes@cmpxchg.org>,
Matthew Wilcox <willy@infradead.org>
Subject: Re: [PATCH v5 mm-new 0/6] mm: hugetlb: allocate frozen gigantic folio
Date: Wed, 7 Jan 2026 10:50:21 -0800 [thread overview]
Message-ID: <20260107105021.7ceb5bc13847e85385f69ef0@linux-foundation.org> (raw)
In-Reply-To: <13ad5888-2d53-40c8-9269-22bc6001754a@sirena.org.uk>
On Wed, 7 Jan 2026 18:39:17 +0000 Mark Brown <broonie@kernel.org> wrote:
> On Wed, Jan 07, 2026 at 07:31:30PM +0200, Claudiu Beznea wrote:
> > On 12/30/25 09:24, Kefeng Wang wrote:
>
> > > Introduce alloc_contig_frozen_pages() and cma_alloc_frozen_compound()
> > > which avoid atomic operation about page refcount, and then convert to
> > > allocate frozen gigantic folio by the new helpers in hugetlb to cleanup
> > > the alloc_gigantic_folio().
> >
> > I'm seeing the following issues on the Renesas RZ/G3S SoC when doing suspend
> > to idle:
> >
> > [ 129.636729] Unable to handle kernel paging request at virtual address
> > dead000000000108
> > [ 129.644674] Mem abort info:
> > [ 129.647456] ESR = 0x0000000096000044
>
> This is also introducing OOMs when doing at least audio tests (I don't
> think these are super relevant) on Raspberry Pi 3B+ running NFS root
> (probably more relevant):
>
> [ 64.064256] Unable to handle kernel paging request at virtual address fffffdffc1000000
Thanks. I'll fully drop this series from mm.git.
next prev parent reply other threads:[~2026-01-07 18:50 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-12-30 7:24 Kefeng Wang
2025-12-30 7:24 ` [PATCH v5 1/6] mm: debug_vm_pgtable: add debug_vm_pgtable_free_huge_page() Kefeng Wang
2026-01-02 18:51 ` Sid Kumar
2025-12-30 7:24 ` [PATCH v5 2/6] mm: page_alloc: add __split_page() Kefeng Wang
2026-01-02 18:55 ` Sid Kumar
2025-12-30 7:24 ` [PATCH v5 3/6] mm: cma: kill cma_pages_valid() Kefeng Wang
2025-12-30 7:24 ` [PATCH v5 4/6] mm: page_alloc: add alloc_contig_frozen_{range,pages}() Kefeng Wang
2025-12-31 2:57 ` Zi Yan
2026-01-02 21:05 ` Sid Kumar
2025-12-30 7:24 ` [PATCH v5 5/6] mm: cma: add cma_alloc_frozen{_compound}() Kefeng Wang
2025-12-31 2:59 ` Zi Yan
2026-01-08 4:19 ` Dmitry Baryshkov
2026-01-08 6:57 ` Kefeng Wang
2025-12-30 7:24 ` [PATCH v5 6/6] mm: hugetlb: allocate frozen pages for gigantic allocation Kefeng Wang
2025-12-31 2:50 ` Muchun Song
2025-12-31 3:00 ` Zi Yan
2025-12-30 18:17 ` [PATCH v5 mm-new 0/6] mm: hugetlb: allocate frozen gigantic folio Andrew Morton
2026-01-07 17:31 ` Claudiu Beznea
2026-01-07 18:25 ` Andrew Morton
2026-01-07 18:26 ` Zi Yan
2026-01-07 18:39 ` Mark Brown
2026-01-07 18:50 ` Andrew Morton [this message]
2026-01-07 19:38 ` Zi Yan
[not found] ` <CGME20260107225819eucas1p2de678d4e810fdbde87192b83033a814c@eucas1p2.samsung.com>
2026-01-07 22:58 ` Marek Szyprowski
2026-01-08 1:05 ` Kefeng Wang
2026-01-08 1:53 ` Kefeng Wang
2026-01-08 3:25 ` Zi Yan
2026-01-08 7:10 ` Kefeng Wang
2026-01-08 9:00 ` Claudiu Beznea
2026-01-08 9:14 ` Konrad Dybcio
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